Received Apr 9, 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 | 946062 | IM / LA |
Received the 1st Dose 120 Days Ago, and They Never Came Back; Initial report received on 19-Mar-2026. A pharmacist reported that a 26-year-old female received the first dose of HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization 120 days ago and never came back. No medical history or concomitant medications were reported. On 20-Nov-2025, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot number 946062, expiration date 18-May-2027, and NDC number 43528-003-05)] intramuscularly in the left deltoid. On 19-Mar-2026, 120 days after receiving the first dose of HEPLISAV-B, the patient had not returned to receive the second dose. The patient is returning to the health care provider today. 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.