Director of Centers for Disease Control and Prevention (CDC), Rochelle Walensky said, “Over 99% cases in the United States are of Delta variant.”
“These cases are still driving an increase in hospital admission,” Rochelle added.
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Director of Centers for Disease Control and Prevention (CDC), Rochelle Walensky said, “Over 99% cases in the United States are of Delta variant.”
“These cases are still driving an increase in hospital admission,” Rochelle added.