COVID iral shedding and incubation The median incubation period is 4 to 5 days. After becoming infected, 97.5% of people will have symptoms within 11.5 days. But, remember, people can shed virus up to 3 days before they become symptomatic, and 40% to 50% of cases are likely transmitted from asymptomatic individuals. This is why social isolation and wearing masks is vital to prevent spread.

iral shedding and incubation

The median incubation period is 4 to 5 days. After becoming infected, 97.5% of people will have symptoms within 11.5 days. But, remember, people can shed virus up to 3 days before they become symptomatic, and 40% to 50% of cases are likely transmitted from asymptomatic individuals. This is why social isolation and wearing masks is vital to prevent spread.