Images of Beijing residents queueing for Covid-19 tests as part of mass coronavirus testing launched Tuesday for nearly all its 21 million residents. Fears are growing the Chinese capital may be placed under a strict lockdown like Shanghai. Beijing on Tuesday launched mass coronavirus testing for nearly all its 21 million residents, as fears grew that the Chinese capital may be placed under a strict lockdown like Shanghai. Beijing authorities have ordered people in 12 central districts that account for most of its population to undergo three rounds of PCR testing after the detection of dozens of cases in the city in recent days. IMAGES