Vaccine Safety Datalink

Are Fewer Than 1% of Vaccine Injuries Reported to VAERS?

While mild side effects are likely under-reported to VAERS, a large percentage of serious adverse events do get reported.

Why is the Tdap Vaccine in Category C?

The Tdap vaccine is routinely recommended for all pregnant women, so why would it be in the FDA Category C? We should start by stating that “risk-benefit decisions regarding use of a drug during pregnancy are more complex than the category designations suggest.” Why is the Tdap Vaccine in Category C? Anyway, the category designations …

Why is the Tdap Vaccine in Category C? Read More »

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