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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.
Varicella (Varivax)
VARCEL93,126 total reports
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Manufacturers:
93,126
Total Reports
308
Deaths
3,357
Hospitalizations
30,005
ER Visits
885
Disabilities
About Varicella (Varivax)
Varicella (Varivax) has 93,126 reports in VAERS spanning from 1990 to 2026.
Of these reports, 308 mentioned death, 3,357 involved hospitalization, and 30,005 required emergency department visits.
This vaccine is manufactured by: Merck & Co., Unknown Manufacturer, GlaxoSmithKline.
This vaccine accounts for 4.7% of all 1,983,260 reports in the VAERS database.
Reporting Rate
This vaccine averages 2,910 reports per year over 32 years of reporting (1995–2026).
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
Top Reporting States
1. California7,450
2. Texas5,722
3. Pennsylvania4,592
4. New York4,206
5. Michigan4,044
6. Ohio3,569
7. Florida3,494
8. Georgia2,942
Reports by Year
Explore Further
Related Analysis
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.