CDC study highlights speed with which omicron variant infected Americans, and WHO warns testing is still crucial April 28, 2022April 28, 2022
South Africa study shows boosters failed to block omicron, bolstering case for face masks, distancing and hand washing January 21, 2022January 21, 2022
BioNTech CEO reportedly says a different COVID vaccine may be needed by next year October 4, 2021October 4, 2021