COVID-19 Vaccine Effectiveness Plunges Against Omicron: CDC Data
ZACHARY STIEBER Sep 1 2022 A healthcare worker prepares Moderna COVID-19 vaccines at a clinic in Florida on May 20, 2021. (Joe Raedle/Getty Images) COVID-19 vaccine effectiveness for all age groups has been much worse against the Omicron virus variants than earlier strains, particularly the currently dominant subvariants, according to U.S. Centers for Disease … Read more