NPR

What We Know About The Silent Spreaders Of COVID-19

Some cases of the novel coronavirus are asymptomatic, presymptomatic or mildly symptomatic. Scientists are trying to determine their role in transmission of the disease.
Source: Cristina Spano for NPR

Is it possible to be infected with the coronavirus and show no symptoms? Or go through a period of several days before symptoms kick in?

And even in this stage with no cough, no fever, no sign of illness, could you be transmitting the virus to others?

"There is evidence that SARS-CoV-2 has this ability to spread silently," says Shweta Bansal, an infectious disease modeler at Georgetown University.

Indeed, cases of COVID-19 among nursing home residents, choir groups and families fuel a growing concern about people who are infected, yet feel generally OK and go about their daily lives, giving the virus to friends, family members and strangers without knowing that they themselves have it.

But there are wide gaps in our understanding of how many people fit this category of "silent

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