CDC Director Rochelle Walensky on Covid Vaccines - 'What they can't do is prevent transmission'
By CNN / August 05, 2021 / marketsanity.com / Article Link
"Our vaccines are working exceptionally well," Walensky told CNN's Wolf Blitzer. "They continue to work well for Delta, with regard to severe illness and death - they prevent it. But what they can't do anymore is prevent transmission."