Vaccine Adverse Event Reporting System (VAERS)
VAERS is co-sponsored by the Centers for Disease Control and Prevention (CDC), and the Food and Drug Administration (FDA), agencies of the U.S. Department of Health and Human Services (HHS).
Vaccine Adverse Event Reporting System (VAERS) Questions and …
VAERS collects and analyzes data from reports of adverse events following vaccination. Since 1990, VAERS has received over 2 million reports, most of which describe mild side effects such as...
VAERS collects and analyzes information from reported adverse events that occur after vaccination. An “adverse event” is any health problem or “side effect” that happens after a vaccination. VAERS …
Jan 16, 2025 · Using the VAERS system, anyone—including clinicians and the general public—can submit a report of an adverse event following vaccination. Under federal laws and regulations, health …
VAERS - Report an Adverse Event
The Vaccine Adverse Event Reporting System (VAERS) is a national early warning system to detect possible safety problems in vaccines used in the United States. VAERS accepts and analyzes …
ACIP Vote Drives Online Engagement About Hepatitis B Vaccine, And
2 days ago · VAERS is a passive vaccine surveillance system, and reports of side effects can be submitted by anyone including patients, healthcare providers, or individuals without medical training.
New White Paper Analyzes U.S. Vaccine Safety Monitoring System and ...
Dec 12, 2025 · In a white paper, Penn biostatistician Jeffrey Morris analyzes the U.S. vaccine safety monitoring system and offers ways to improve VAERS and other components.
Vaccine Adverse Events | FDA
VAERS collects and analyzes information from reports of adverse events (possible side effects) that occur after the administration of US licensed vaccines.
New white paper analyzes US vaccine safety monitoring system
5 days ago · What is known at this point is that the part of the vaccine safety system mentioned in the memo—the Vaccine Adverse Event Reporting System or VAERS—is a repository for unconfirmed …
Vaccine Adverse Events Reporting System (VAERS) Help
3 days ago · VAERS data are from a passive surveillance system. Such data are subject to limitations of under-reporting, reporting bias, and lack of incidence rates in unvaccinated comparison groups.