Many areas within the city of 26 million were already under restrictions, with residents required to submit to multiple tests for COVID-19. It's the most extensive campaign since Wuhan, two years ago.
Shanghai, China s financial capital and largest city with 26 million people, had managed its smaller previous outbreaks with limited lockdowns of housing
China began its most extensive coronavirus lockdown in two years Monday to conduct mass testing and control a growing outbreak in Shanghai as questions are raised about the economic toll of the nation s "zero-COVID" strategy.