MenuPlease
CDC
Getty ImagesThe Pfizer-BioNTech COVID-19
the New England Journal of Medicine
Cal Poly
Providence St. Mary Medical Center
Getty ImagesThe Centers for Disease Control and Prevention
Tom Frieden
Cap
COVID
Wei Leng Tay/Bloomberg
Irfan Khan
Mario Tama
COVID-19
Delta
Southern California
No matching tags
Brazil
U.S.
Pomona
U.K.
B.1.1.7
No matching tags
Tom Frieden explains why the Delta variant matters.
As said here by Dan Primack