evidence: Factually inaccurate: Studies have found no association between the DTaP vaccine and sudden infant death syndrome (SIDS). Childhood vaccination isn’t a risk factor for SIDS. FULL CLAIM: The whooping cough vaccine was never needed because deaths had declined before the vaccine was available; the DTaP vaccine is associated with sudden infant death syndrome An Instagram reel posted in March 2024 suggested that the whooping cough vaccine was never needed, since whooping cough deaths had plummeted before the vaccine was available. It also implied that the DTaP vaccine is dangerous and associated with sudden infant death syndrome.