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Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
Polio (Oral)
OPV27,089 total reports
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Manufacturers:
27,089
Total Reports
1,227
Deaths
3,619
Hospitalizations
12,341
ER Visits
684
Disabilities
About Polio (Oral)
Polio (Oral) has 27,089 reports in VAERS spanning from 1990 to 2026.
Of these reports, 1,227 mentioned death, 3,619 involved hospitalization, and 12,341 required emergency department visits.
This vaccine is manufactured by: Pfizer / Wyeth, Unknown Manufacturer.
This vaccine accounts for 1.4% of all 1,983,260 reports in the VAERS database.
Reporting Rate
This vaccine averages 874 reports per year over 31 years of reporting (1990–2021).
Understanding These Numbers
•Reports don't prove causation. They represent temporal associations where someone experienced an event after vaccination.
•Background rates matter. Many conditions occur naturally and may coincidentally happen after vaccination.
•Reporting varies by vaccine. Newer vaccines or those in the news may have higher reporting rates due to increased awareness.
Most Reported Symptoms
11,357
5,395
3,894
2,721
2,171
Top Reporting States
1. California1,981
2. Pennsylvania1,706
3. Texas1,475
4. Michigan1,134
5. Georgia1,081
6. Ohio1,033
7. Illinois937
8. New York936
Explore Further
Related Analysis
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.