A–Z Glossary

Adverse event

A health problem that happens after vaccination and may or may not be caused by the vaccine.

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Vaccine safety and timing

Vaccine safety and timing

Why timing matters as much as the vaccine itself Vaccine safety is not only about whether a product has a good safety profile; it is also about whether it is given at the right time. Immunization schedules are built around the biology of immune response, the timing of disease exposure, and the point in life […]