19 April 2024 – International Regulators and the World Health Organization (WHO) recently held a workshop on COVID-19 vaccine strain updates. They emphasized the ongoing effectiveness of current vaccines against severe outcomes but highlighted the need for regular updates due to waning immunity and emerging variants. The report outlines key considerations for updating vaccine composition, including regulatory requirements and data needs. International convergence on this process is deemed crucial. The conclusions detail plans for a structured process to optimize vaccine recommendations and regulatory approval timing.

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