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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.
Hib + Hepatitis B (Comvax)
HBHEPB6,793 total reports
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Manufacturers:
6,793
Total Reports
434
Deaths
1,185
Hospitalizations
3,242
ER Visits
169
Disabilities
About Hib + Hepatitis B (Comvax)
Hib + Hepatitis B (Comvax) has 6,793 reports in VAERS spanning from 1990 to 2026.
Of these reports, 434 mentioned death, 1,185 involved hospitalization, and 3,242 required emergency department visits.
This vaccine is manufactured by: Merck & Co., Unknown Manufacturer.
This vaccine accounts for 0.3% of all 1,983,260 reports in the VAERS database.
Reporting Rate
This vaccine averages 283 reports per year over 24 years of reporting (1997–2025).
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
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Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.