Shanghai starts China’s biggest COVID-19 lockdown in 2 years

Health workers in protective gear leave a barricaded community which was locked down for health monitoring following the COVID-19 case detected in the area, Monday, March 28, 2022, in Beijing. China began its largest lockdown in two years Monday to conduct mass testing and control a growing outbreak in its largest city of Shanghai as questions are raised about the economic toll of the nation's "zero-COVID" strategy. (AP Photo/Andy Wong)