Vaccines need to be updated

  • COVID-19: Experts say vaccines might need to be updated

    COVID-19: Experts say vaccines might need to be updated

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    Current COVID-19 vaccines may need to be updated to ensure their continued effectiveness against omicron and future variants, an expert group appointed by the World Health Organization (WHO) has said. The opinion is contained in an interim statement from the WHO Technical Advisory Group on COVID-19 Vaccine Composition, which was established in September 2021. The…