Ensuring COVID-19 Vaccine Safety in the US
CDC and FDA have recommended a pause in the use of the Johnson & Johnson’s Janssen COVID-19 vaccine in the United States out of an abundance of caution, effective Tuesday, April 13. CDC will convene a meeting of the Advisory Committee on Immunization Practices (ACIP) on Wednesday, April 14, to address this issue. People who have received the J&J/Janssen COVID-19 vaccine within the past three weeks who develop severe headache, abdominal pain, leg pain, or shortness of breath should contact their health care provider.
Vaccine Safety and Monitoring
- COVID-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 are eligible.
Safety Monitoring Systems
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[PDF – 346 KB]
- 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.