Received Jul 15, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (HEPLISAV-B) | DYNAVAX TECHNOLOGIES CORPORATION | 1 | — | — |
Heplisav-B Dose On 6 March 2025, Engerix-B Given As Second Dose By Accident On 15 May 2025.; Inappropriate Schedule of Vaccine Administered; Initial report received on 23-Jun-2025. A nurse reported that a 54-year-old male received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and was given ENGERIX-B as the second dose by accident. No medical history or concomitant medications were reported. On 06-Mar-2025, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot number, expiration date, NDC number, route, and site not available)]. On 15-May-2025, 71 days after receiving HEPLISAV-B, the patient received dose 2 of a hepatitis B vaccine [ENGERIX-B (lot number not provided)]. The reporter was inquiring about the time interval between HEPLISAV-B doses in the event ENGERIX-B was given as the second dose by accident. No additional information was reported. The reporter declined to provide further information. Company Comment: The company assessed the events as non-serious.; Sender's Comments: The company assessed the events as non-serious.
Engerix b