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Home » Two New Studies — And Pfizer — Confirm mRNA Vaccines Are Less Effective on Omicron
Two New Studies — And Pfizer — Confirm mRNA Vaccines Are Less Effective on Omicron
The Pfizer/BioNTech and Moderna COVID-19 vaccines are 25-40 times less effective against the new Omicron variant than the original strain and Delta variants, two new laboratory studies have found.