What a difference a week makes

Maintaining awareness of the many surfaces you touch during the day and cleaning them with approved products will help curb the spread of the coronavirus.
Max Posner/NPR
Checking in with a virologist, 11 days after we last spoke.
A week or two ago, we spoke to Columbia University virologist Dr. Angela Rasmussen. She’d just flown in from New York, and was off on a family trip.
But a lot has changed in 11 days. We chatted with her about what we now know, and still don’t, about COVID-19.