Received Feb 4, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (NO BRAND NAME) | UNKNOWN MANUFACTURER | 1 | — | — |
Had Hepatitis B Vaccine on December 11, 2025, Tested Positive for Hepatitis B; Initial report received on 12-Jan-2026. A consumer reported that she, a female, received a hepatitis B vaccine for hepatitis B immunization and tested positive for hepatitis B four days later. No medical history or concomitant medications were reported. On 11-Dec-2025, the patient received dose 1 of a hepatitis B vaccine (lot number, expiration date, NDC number, route, and site not available). On 15-Dec-2025, four days after receiving HEPLISAV-B, the patient tested positive for hepatitis B. No side effects from the injection were reported. No other information was available. Company Comment: The company assessed the event as non-serious. The event was not immunologically confirmed due to dosing frequency (1 dose) and time to serologically testing (4 days) and serological marker not reported.; Sender's Comments: The company assessed the event as non-serious. The event was not immunologically confirmed due to dosing frequency (1 dose) and time to serologically testing (4 days) and serological marker not reported.