CNN.com - RSS Channel - HP HeroCovid-19 safety guidance has changed. Get caught up

Dr. Leana Wen explains how the CDC's Covid-19 safety guidelines have changed, given what scientists now know about how it's spread.

January 09, 2021 at 04:06AM https://ift.tt/38uF3rm. Leana Wen explains how the CDC's Covid-19 safety guidelines have changed, given what scientists now know about how it's spread.