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Vaccine Safety VAERS
About Vaccine Safety VAERS
The Vaccine Adverse Event Reporting System VAERS was established in 1990 as a national early warning system for vaccine safety. VAERS accepts reports from anyone including patients, parents, and healthcare providers. Before the COVID 19 pandemic, VAERS typically received tens of thousands of reports annually, a minority classified as serious. VAERS has limitations. Reports are unverified and do not prove causation. Anti vaccine groups frequently misuse VAERS data, presenting all reports as confirmed vaccine injuries. The Vaccine Safety Datalink, a collaboration between CDC and health maintenance organizations, provides verified safety data. The Clinical Immunization Safety Assessment CISA project investigates individual cases of adverse events. Vaccine safety monitoring identified intussusception after RotaShield, Guillain Barre syndrome after swine flu vaccine, and myocarditis after mRNA COVID vaccines. Continuous monitoring maintains public confidence.
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