Received May 11, 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 | 944609 | — |
26 Year Old Received An Expired Dose; Initial report received on 30-Apr-2026. A pharmacist reported that a 26-year-old female (race and ethnicity not reported) received an expired dose of HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization. No medical history or concomitant medications were reported. On 04-Mar-2026, the patient received dose 1 of a hepatitis B vaccine of HEPLISAV-B (Lot number 944609, expiration date 29-Jan-2026; NDC number, site, and route not reported). The patient received an expired dose of HEPLISAV-B. No other information was available. Company Comment: The company assessed the event as non-serious.; Sender's Comments: The company assessed the event as non-serious.