J&J, Sinopharm, Sputnik V COVID-19 shots less effective against Omicron -study

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Reuters UK

(Reuters) – COVID-19 vaccines from U.S. drugmaker Johnson & Johnson and China’s Sinopharm as well as Russia’s Sputnik V shot had no neutralizing activity against the Omicron variant, according to a study which has not yet been peer reviewed. The Omicron variant has raised concerns regarding its ability to evade protection provided by widely-used vaccines, with drugmakers tailoring their shots to target the variant while testing the effectiveness of their existing shots. Vaccines from Moderna, AstraZeneca and Pfizer and partner BioNTech retained activity against Omicron, but the antibody respon…

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