Index/Topics/Vaccine Safety Datalink

Vaccine Safety Datalink

The Vaccine Safety Datalink (VSD) is a system used to validate and investigate potential signals found in VAERS reports.

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6 results
Jan 12, 2026
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is the mmr vaccine safe

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...

Jan 18, 2026
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What are the strengths and limitations of VAERS for detecting vaccine adverse events?

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...

Feb 7, 2026

How do vaccine adverse event reporting systems (like VAERS) work and why they cannot by themselves prove causation?

such as VAERS are national, passive surveillance tools designed to collect reports of health problems that occur after vaccination so experts can spot unusual patterns or “signals” that merit further ...

Feb 5, 2026

How does VAERS report deaths after vaccination and how many are verified as vaccine-caused?

The Vaccine Adverse Event Reporting System () is a passive, early‑warning database that accepts reports of any health event occurring after vaccination without requiring proof of causation; reports of...

Jan 16, 2026

Studies comparing childhood vaccines to inert placebo e.g. saline

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...

Jan 8, 2026

is there any scientific posed method of how a vaccine might lead to SIDS?

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...