VAERS was created in 1990. If you've had an adverse reaction to a vaccine, you can or your healthcare provider is required to report it to VAERS. The system was created to monitor, analyze and keep records of potential safety problems within the vaccine program.
"Although most common side effects of a vaccine are identified in studies before the vaccine is licensed, rare adverse events may not be detected in these studies. Therefore the U.S. vaccine safety system continuously monitors the adverse events (possible side effects) after a vaccine is licensed. "
-Ensuring The Safety of Vaccines in the US.
Ensuring the Safety of Vaccines in the United States
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Electronic Support for Public Health–Vaccine Adverse Event Reporting System (ESP:VAERS)
Performing Organization: Harvard Pilgrim Health Care, Inc.
Project Officer: Steve Bernstein
National Vaccine Injury Compensation Program Monthly Statistics Report Updated 09/01/2020
Petitions Filed, Compensated and Dismissed, by Alleged Vaccine, Since the Beginning of VICP, 10/01/1988 through 09/01/2020
The primary objectives of VAERS are to:
Detect new, unusual, or rare vaccine adverse events
Monitor increases in known adverse events
Identify potential patient risk factors for particular types of adverse events
Assess the safety of newly licensed vaccines
Determine and address possible reporting clusters (e.g., suspected localized [temporally or geographically] or product-/batch-/lot-specific adverse event reporting)
Recognize persistent safe-use problems and administration errors
Provide a national safety monitoring system that extends to the entire general population for response to public health emergencies, such as a large-scale pandemic influenza vaccination program. "