FDA adds warning label to RSV vaccines Abrysvo and Arexvy about the risk for Guillain-Barré syndrome

The U.S. Food and Drug Administration now requires and has approved safety labeling changes to the prescribing information for the Abrysvo (Pfizer) and Arexvy (GlaxoSmithKline) respiratory syncytial virus (RSV) vaccines to include warnings and precautions about the risk for Guillain-Barré syndrome (GBS).

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