Shanghai moves to 2nd part of lockdown as testing lines grow


              Workers wearing gowns, masks and gloves, direct arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, directs arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A police officer in protective gear watches over residents lining up for COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Neighborhood committee members prepare to deliver vegetables door to door in the locked down Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear labelled with "Willing Ox" meaning public service, walks in a locked down community where residents are to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gar register residents for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks along shuttered shops in the Jingan district under lockdown in western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear conduct the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walk past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear call out to residents to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear holds up a sign which reads "Do not crowd" as he directs a resident near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents line up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents carry the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers wearing gowns, masks and gloves, direct arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, directs arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, directs arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, deliver a pass to arriving passenger from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. Flights started landing in Hong Kong Friday after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              Workers wearing gowns, masks and gloves, direct arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. Flights started landing in Hong Kong Friday after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A police officer in protective gear watches over residents lining up for COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear prepares to deliver food in a cart which has the words "Food delivery for the elderly" in the locked down Jingan district in western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents carry the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Police officers in protective gear guide residents lining up for COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Neighborhood committee members prepare to deliver vegetables door to door in the locked down Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A resident walks past barriers along the locked down Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear labelled with "Willing Ox" meaning public service, walks in a locked down community where residents are to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear labelled with "Willing Ox" meaning public service, walks in a locked down community where residents are to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gar register residents for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks along shuttered shops in the Jingan district under lockdown in western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear call out to residents to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear call out to residents to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear conduct the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear conduct the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear holds up a sign which reads "Do not crowd" as he directs a resident near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear holds up a sign which reads "Do not crowd" near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walk past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents line up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers wearing gowns, masks and gloves, direct arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, directs arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, directs arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. The first flight to arrive in Hong Kong after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A worker wearing gown, mask and gloves, deliver a pass to arriving passenger from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. Flights started landing in Hong Kong Friday after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              Workers wearing gowns, masks and gloves, direct arriving passengers from Manila for buses to quarantine hotels in Hong Kong international airport, Friday, April 1, 2022. Flights started landing in Hong Kong Friday after authorities lifted a COVID ban on arrivals from nine countries including Australia, Canada, France, India, Nepal, Pakistan, the Philippines, the UK and the US. (AP Photo/Kin Cheung)
            
              A police officer in protective gear watches over residents lining up for COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear prepares to deliver food in a cart which has the words "Food delivery for the elderly" in the locked down Jingan district in western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents carry the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Police officers in protective gear guide residents lining up for COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Neighborhood committee members prepare to deliver vegetables door to door in the locked down Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A resident walks past barriers along the locked down Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents hold up the Communist Party flag and the Chinese national flag as others prepare to take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear labelled with "Willing Ox" meaning public service, walks in a locked down community where residents are to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents take part in the first round of mass COVID tests in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear labelled with "Willing Ox" meaning public service, walks in a locked down community where residents are to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gar register residents for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks along shuttered shops in the Jingan district under lockdown in western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear call out to residents to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear call out to residents to take part in the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear conduct the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Workers in protective gear conduct the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear holds up a sign which reads "Do not crowd" as he directs a resident near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear holds up a sign which reads "Do not crowd" near a line for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walk past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Residents line up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              A worker in protective gear walks past residents lined up for the first round of mass COVID testing in the Jingan district of western Shanghai, China, Friday, April 1, 2022. As residents of western Shanghai start a four day lockdown for mass testing, some in eastern Shanghai about to end their lock down are being told they will be confined to their homes for at least 10 more days. It was the latest wrinkle in the lockdown of China's largest city as it struggles to eliminate an omicron-driven coronavirus outbreak under China's zero-COVID policy. (AP Photo/Chen Si)
            
              Commuters wearing face masks walk past the China Central Television (CCTV) building in the central business district in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              Commuters wearing face masks walk across a pedestrian bridge in the central business district in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              Commuters wearing face masks walk through the central business district in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              A commuter wearing a face mask walks out of a subway station in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              A commuter wearing a face mask walks through a subway station in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              Commuters wearing face masks walk through the central business district in Beijing, Friday, April 1, 2022. Residents of eastern Shanghai hoping to emerge from a four-day lockdown got some bad news Thursday night: Some will be confined to their homes for at least 10 more days. (AP Photo/Mark Schiefelbein)
            
              In this photo released by Xinhua News Agency, a view of the an area of the Shanghai New International Expo Center converted to hold when completed up to 15,000 beds to quarantine mild cases and asymptomatic carriers amid the latest COVID-19 resurgence in Shanghai on March 30, 2022. The metropolis of Shanghai prepared Thursday to re-open the eastern half of the city overnight and shut the western half, while authorities elsewhere announced the lifting of one of the citywide lockdowns in the province hit hardest by China's ongoing omicron-driven outbreak. (Ding Ting/Xinhua via AP)
Shanghai moves to 2nd part of lockdown as testing lines grow