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A system used by CDC and FDA to test hypotheses and assess causality related to vaccine safety.
The weight of decades of research and surveillance concludes that the MMR vaccine is safe for the vast majority of recipients and prevents serious, sometimes fatal, diseases—measles, mumps and rubella...
VAERS is the United States’ national, passive vaccine safety surveillance system co-managed by CDC and FDA that accepts any report of an adverse event after vaccination and is designed as an early‑war...
A substantial body of evidence shows many childhood vaccines were evaluated in randomized controlled trials that used inert placebos (such as saline) or active comparators, but the use of saline place...
No scientifically established mechanism shows that vaccines cause sudden infant death syndrome (SIDS); leading public-health bodies and large epidemiologic studies have found no causal link and in som...