More infectious Delta variant makes up 83% of new US coronavirus cases as vaccine hesitancy persists

Jul 20, 2021

July 20, 2021 | CNN News

“The more contagious Delta variant of coronavirus now makes up 83% of sequenced samples in the United States, US Centers for Disease Control and Prevention (CDC) Director Dr. Rochelle Walensky said Tuesday.”

Original Source: https://www.cnn.com/2021/07/20/health/us-coronavirus-tuesday/index.html