Does frequently updating COVID-19 vaccines have any benefits? | Explained

Does frequently updating COVID-19 vaccines have any benefits? | Explained

Researchers update the composition of influenza vaccines every six months to match the strains of the virus that are circulating in the wild, so that the shots may provide protective immunity against the flu. But despite their best efforts, researchers rarely perfectly match the strains loaded in the vaccine with the strains circulating by the time …

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