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Now it has been decided to test the 9.6 million inhabitants of the metropolis in just five days. Immediately after the first infections were detected, more than 140,000 people were tested, mainly in the health sector, city officials said.
More recently, only foreign-imported infections were reported in China, where the corona pandemic began. China has largely controlled the virus with strict measures such as closing megacities, strict isolation, and entry bans. However, in recent months there have been some local outbreaks, like in Qingdao for example, that were quickly contained each time. Also in these cases massive tests were always ordered.