In Shanghai almost all cases discovered by mass testing, were without symptoms. IOW, the people didn’t even know they had it.
Meantime, businesses in Shanghai are comps,img about the arbitrary rules. People are getting p’d off with Zero Covid policy. There’s also panic buying. How long for Zero Covid? Problem is now it’s a matter of pride. They’ve been telling the rest of the world how well thy e done and lecturing the rest of us in how to handle the virus. Fact that Omicron is different hasn’t sunk in.