J&J, Sinopharm, Sputnik V COVID-19 Shots Less Effective Against Omicron: Study

Published on December 17, 2021

COVID-19 vaccines from U.S. drugmaker Johnson & Johnson (J&J) and China’s Sinopharm as well as Russia’s Sputnik V shot had no neutralizing activity against the omicron variant, according to a study that has not yet been peer reviewed.

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