In June, a fresh outbreak occurred in Beijing after 55 days with no local cases. George Gao, head of China’s Center for Disease Control and Prevention, said at the time that transmission could have started a month earlier, with asymptomatic or mildly symptomatic patients still able to shed significant amounts of the virus. It’s also possible it lurks in dark, humid conditions before being amplified in infected people, he said.

Source link

By admin

Leave a Reply

Your email address will not be published. Required fields are marked *