Received Jun 10, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (HEPLISAV-B) | DYNAVAX TECHNOLOGIES CORPORATION | 1 | — | — |
The Patient Got HEPLISAV-B and then Got Engerix; Initial report received on 03-Jun-2026. A pharmacist reported that a patient (age, gender, race, and ethnicity not reported) received their first dose of HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and then received ENGERIX-B. No medical history or concomitant medications were received. In Nov-2025, the patient received dose 1of a hepatitis B vaccine [HEPLISAV-B (Lot #, expiration date, NDC #, route, and site not available)]. In Jan-2026, about two months after having been vaccinated with HEPLISAV-B, the patient received a dose of ENGERIX-B (Lot # not reported). Reporter declined to provide further information. Company Comment: The company assessed the event as non-serious.; Sender's Comments: The company assessed the event as non-serious.
Engerix b