CNN's Dr. Sanjay Gupta explains what the new CDC guidance on wearing masks really means for vaccinated Americans.
원문출처 : https://www.cnn.com/videos/health/2021/05/14/cdc-vaccinated-covid-19-rules-mh-orig.cnn
원문출처 : https://www.cnn.com/videos/health/2021/05/14/cdc-vaccinated-covid-19-rules-mh-orig.cnn