asymptomatic

Asymptomatic COVID-19 cases: Are they really contagious?

Asymptomatic COVID-19 cases: Are they really contagious?

To have any idea whether our current social distancing efforts in the United States are helping slow the spread of coronavirus, and to gauge how long we should go on this way, scientists need to know how many people have mild or asymptomatic cases of Covid-19. There could be many such people. Since their symptoms […]