Asymptomatic Carriers Are Fueling the COVID-19 Pandemic. Here’s Why You Don’t Have to Feel Sick to Spread the Disease

This week, the White House issued a warning for anyone who recently fled New York City: Quarantine yourself for a full 14 days or risk spreading COVID-19 to a new community — regardless of whether you’re showing symptoms.

“To everyone who has left New York over the last few days, because of the … number of cases [there], you may have been exposed,” said Deborah Birx, the response coordinator for the White House coronavirus task force, in a news conference on Tuesday.