A Baby Died, and Sanofi Quietly Ended RSV Vaccine Trial. The Company Says Death Was Unrelated to the Vaccine

In October 2024, vaccine maker Sanofi shut down its clinical trial for its RSV vaccine for infants and toddlers. According to documents obtained via a Freedom of Information request, one child died during the trial. However, the company didn’t report any safety issues with the vaccine, claiming instead that it ended the trial because the vaccine wasn’t as effective as hoped. In October 2024, vaccine maker Sanofi shut down its clinical trial for a respiratory syncytial virus (RSV) vaccine for infants and toddlers. According to documents obtained via a Freedom of Information (FOI) request, one child died during the trial. News that Sanofi shut down the trial went largely unreported, getting only a brief mention in Fierce...

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