VAERS data is accessible by downloading raw data in comma-separated value (CSV) files for import into a database, spreadsheet, or text editing program, or by using the CDC WONDER online search tool. Information provided to VAERS which identifies a person who received the vaccine or vaccines will not be made available to the public. De-identified VAERS data are available 4-6 weeks after the report is received. VAERS data change as new reports are received, so your results may change if you repeat the same search at a later date. To learn more about interpreting data see Guide to Interpreting VAERS Data.
VAERS data is available in two ways:
Search data with an easy-to-use, menu-driven tool. Produce tables, maps, charts, and data extracts of vaccine adverse events.
Download raw data for import into a database, spreadsheet, or text editing program.
Please note that VAERS staff follow-up on all serious and other selected adverse event reports to obtain additional medical, laboratory, and/or autopsy records to help understand the concern raised. However, in general coding terms in VAERS do not change based on the information received during the follow-up process. VAERS data should be used with caution as numbers and conditions do not reflect data collected during follow-up. Note that the inclusion of events in VAERS data does not imply causality.
For more information, please call the VAERS Information Line toll-free at (800) 822-7967 or e-mail to firstname.lastname@example.org.
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