Report a problem after a vaccination
VAERS collects reports of health problems that follow a vaccination. It is run by the CDC and the FDA.
Start a report See what to have ready first
Completing the form takes about 10 minutes. You do not need an account. You can save your answers and come back later.
If someone needs care now
This form is not a way to get medical help. If someone is unwell now, contact a doctor. In an emergency, call 911.
What happens when you report
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You answer questions
The form groups related questions on one screen and takes about 10 minutes. You can go back and change any answer before you send it.
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Safety staff read the report
Staff at the CDC and FDA read reports and may contact you for more detail if you leave a way to reach you.
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Reports are watched for patterns
One report cannot show that a vaccine caused a problem. Many reports together can point to something that needs a closer look.
Other things you can do
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Search VAERS data
Look at reports other people have made. Data is updated regularly and is free to search.
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Guides and fact sheets
Plain-language material about what VAERS is, what it can show, and what it cannot.
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Submit follow-up information
Send records or new information about a report you already made.
Report an adverse event
The form groups related questions on one screen and takes about 10 minutes to complete.