factually
Index/Topics/Vaccine Safety Systems

Vaccine Safety Systems

The use of vaccine safety systems, such as spontaneous reporting systems and active surveillance efforts, to detect temporal clusters and unexpected patterns soon after vaccination.

Fact-Checks

1 result
Feb 5, 2026

How do cancer registries and vaccine safety surveillance systems monitor for long‑term oncologic signals?

Cancer registries and operate on different strengths: registries provide high-quality, population‑level, long‑term incidence and survival data, while vaccine surveillance systems collect near‑real‑tim...