VidPrevtyn Beta, from Sanofi and GSK, has become the first COVID-19 vaccine to win EU marketing approval based on immunobridging trials.
Sanofi & GSK Win COVID-19 Vaccine Approval In EU Using Immunobridging Trials
New Biosimilar And Generic Drugs Also Get EMA Nod
The European Medicines Agency said it was possible to use immunobridging studies to authorize COVID-19 vaccines now that a number of COVID-19 vaccines authorized in the EU are proven to be safe and effective and can be used as comparators in trials.

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