Have you had a reaction following a vaccination? Contact your healthcare provider. Report an Adverse Event using the VAERS online form or the downloadable PDF. New!

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 …

VAERS collects national data from all U.S. states and territories The VAERS form collects information about the vaccine, the person vaccinated and the adverse event VAERS can be used as an early …

Home Resources Information for Healthcare Providers En Español Information for Healthcare Providers Safety monitoring in VAERS relies on receiving reports of vaccine adverse events from healthcare …

On May 8, 2025, CDC and FDA expanded public access to VAERS data in the WONDER database (wonder.cdc.gov) and in VAERS downloadable files (vaers.hhs.gov) to provide a more information …

Nov 28, 2025 · VAERS data CSV and compressed (ZIP) files are available for download in the table below. For information about VAERS data, please view the VAERS Data Use Guide [PDF - 310KB], …

1. Important Information About VAERS The Vaccine Adverse Event Reporting System (VAERS) was created by the Food and Drug Administration (FDA) and Centers for Disease Control and Prevention …

On May 8, 2025, CDC and FDA expanded public access to VAERS data in the WONDER database (wonder.cdc.gov) and in VAERS downloadable files (vaers.hhs.gov) to provide a more complete …

VAERS will undergo routine maintenance on the third Thursday of each month from 8:30 p.m. EST until Friday at 12:30 a.m. EST. The website and data access services will be unavailable during this time. …

Conviene que los médicos y otros proveedores de vacunas notifiquen los eventos adversos, incluso si no están seguros de que la vacuna los haya causado. Como es difícil distinguir entre los …