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Sinovac COVID-19 shot with Pfizer booster less effective against Omicron - study

Sinovac's two-dose COVID-19 vaccine followed by a booster Pfizer-BioNTech shot showed a lower immune response against the Omicron variant compared with other strains, according to a study by researchers. The study, which has not been peer-reviewed yet, was conducted by researchers from Yale University, the Dominican Republic's Ministry of Health and other institutions.

Reuters - December 31, 2021

View the full story here: https://www.reuters.com/business/healthcare-pharmaceuticals/sinovac-covid-19-shot-with-pfizer-booster-less-effective-against-omicron-study-2021-12-31/