Ensuring COVID-19 Vaccine Safety in the USEnsuring COVID-19 Vaccine Safety in the US
Updated Apr. 22, 2021
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Vaccine Safety and MonitoringCOVID-19 vaccines are safe and effective.
Millions of people in the United States have received COVID-19 vaccines under the most intense safety monitoring in U.S. history.
CDC recommends you get a COVID-19 vaccine as soon as you can.
Is the vaccine safe?Have vaccines caused any health problems?
Safety Monitoring Systemsv-safe
Get personalized health check-ins after you receive a COVID-19 vaccine.
Vaccine Adverse Event Reporting System (VAERS)
VAERS is the national system that collects reports of adverse events that happen after vaccination. 10 Things Healthcare Providers Need to Know about VAERS pdf icon[346 KB, 2 pages] Vaccine Reporting Systems
Learn how most reports about vaccine safety are being collected and tracked.
COVID-19 Vaccine Safety Monitoring Systems for Pregnant People
Learn how CDC is monitoring the safety of COVID-19 vaccination in people who are pregnant.
Information about Specific VaccinesPfizer-BioNTechModernaJohnson & Johnson’s JanssenDifferent Vaccines
book light iconCOVID-19 Vaccine Safety PublicationsRead the latest safety-related research on the COVID-19 vaccines.
Related PagesMyths and Facts about COVID-19 Vaccines
What to Expect after Your Vaccination
Vaccine Fact Sheets for People Getting the Vaccine
Information for Specific Groups
COVID-19 Vaccines Safety Technical Sub-Group (VaST)