The World Health Organization has recommended that the current Covid-19 vaccine antigen composition, specifically the monovalent XBB.1.5 vaccines, may be continued across different platforms against currently circulating SARS-CoV-2 variants.
WHO's Technical Advisory Group on COVID-19 Vaccine Composition, or TAG-CO-VAC, issued the recommendation after making a thorough evaluation of the current virus evolution and the demonstrated immune responses by the vaccines against circulating variants.
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by Joji Xavier
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