Source: VAERS.HHS.GOV
VAERS accepts reports of adverse events and reactions that occur following vaccination. Healthcare providers, vaccine manufacturers, and the public can submit reports to the system. While very important in monitoring vaccine safety, VAERS reports alone cannot be used to determine if a vaccine caused or contributed to an adverse event or illness. The reports may contain information that is incomplete, inaccurate, coincidental, or unverifiable. In large part, reports to VAERS are voluntary, which means they are subject to biases. This creates specific limitations on how the data can be used scientifically. Data from VAERS reports should always be interpreted with these limitations in mind.
The strengths of VAERS are that it is national in scope and can quickly provide an early warning of a safety problem with a vaccine. As part of CDC and FDA’s multi-system approach to post-licensure vaccine safety monitoring, VAERS is designed to rapidly detect unusual or unexpected patterns of adverse events, also known as “safety signals.” If a safety signal is found in VAERS, further studies can be done in safety systems such as the CDC’s Vaccine Safety Datalink (VSD) or the Clinical Immunization Safety Assessment (CISA) project. These systems do not have the same scientific limitations as VAERS, and can better assess health risks and possible connections between adverse events and a vaccine.
Key considerations and limitations of VAERS data:
VAERS data available to the public include only the initial report data to VAERS. Updated data which contains data from medical records and corrections reported during follow up are used by the government for analysis. However, for numerous reasons including data consistency, these amended data are not available to the public.
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Total number of reports: 2,251,665
Loud intense cry with screaming for 1 1/2 hrs. Seen next day, child normal.
Read FULL REPORT23 hrs post vaccination, developed seizures followed by rigor. Vaccine was given as a prophylaxis.
Read FULL REPORTHypotonic, Hyporesponsive episode, Infant died: Reyes text Syndrome. Vaccine given for routine immunizations.
Read FULL REPORTPt developed chills for approx. 1 hr, felt achy all over, genital area turned red with some swelling, no pain 24 hrs later, now has pain in genital area. Genitals pain, swelling, redness for 8 days. Fever,
Read FULL REPORT7 patients within 2 weeks have reported joint pain & tenderness which radiated up to the shoulder, redness & slight swelling @ injection site, no treatment prescribed, 1 patient is due to visit a neurologist
Read FULL REPORT16 yr old female feeling faint & then had seizure within a few min. /p Td/MMR immunization. MD is uncertain if seizure was due to hyperventilation episode. No treatment initiated. Pt asymptomatic. Vaccine
Read FULL REPORT2 or 3 patients who received immunization & developed swollen red arm.
Read FULL REPORTPt developed an inject site rxn. Aea was erthematous, hard & warm to touch several days /p immunization, treated w/ Benadryl.
Read FULL REPORT15mon. male w/ hx of recurrent ear infections & measles in Feb. 89'. 5Apr89 was given MMR. Within 24 hrs /p vaccine, parents noted hearing deficit, confirmed by physician exam.
Read FULL REPORT17 mon. male, received 29Oct89 MMR vaccine 1 dose. 21Dec89 received therapy w/ Promethazine HCL, HS. 22Dec89 infant found dead. Post mortem revealed acute Streptococcal tracheobronchitis.
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OpenVAERS is a private organization that posts publicly available CDC/FDA data of injuries reported post-vaccination. Reports are not proof of causality.