‘No evidence’ that asymptomatic Covid-19 cases were infectious, analysis of post-lockdown Wuhan concludes

A paper that analyzed the results of a massive post-lockdown Covid-19 testing drive that included nearly every eligible resident of Wuhan, China has found no evidence that positive cases without symptoms spread the disease. The analysis, published in the scientific journal Nature, looked at the results of a screening initiative held between May and June in Wuhan, the city where the first cases of the novel coronavirus were detected in late 2019. The origins of the virus have yet to be determined, with new studies suggesting that the disease could have been in Italy as early as September last year. Nearly 10 million people were tested, consisting of 92 percent of all residents aged six years or older. Incredibly, no new symptomatic cases were registered, and only 300 asymptomatic cases were detected. Subsequent tests of 1,174 close contacts of the asymptomatic cases found resulted in no new positives. There is “no evidence that the identified asymptomatic positive cases were…

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