Delta Variant Now Makes Up 83% Of Sequenced COVID-19 Cases In The US, CDC Director Says
July 21, 2021
CNN (7/20, Holcombe, Waldrop) reports, “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.” During a...