Epidemiologists examining the biggest Chinese outbreak of COVID-19 in two years are trying to ascertain why the proportion of asymptomatic cases is so high, and what it could mean for China’s future …
( read original story …)
The Shanghai News
Epidemiologists examining the biggest Chinese outbreak of COVID-19 in two years are trying to ascertain why the proportion of asymptomatic cases is so high, and what it could mean for China’s future …
( read original story …)