Report #2857726

Received Sep 10, 2025

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex: Female
Age: Age unknown
State: NJ
Recovered: Unknown
Vaccinated: Jul 21, 2025
Onset: Aug 21, 2025
Days to onset: 31
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (HEPLISAV-B)	DYNAVAX TECHNOLOGIES CORPORATION	1	—	—

Symptoms (1)

Wrong product administered

Symptom narrative

Received their First Dose of HEPLISAV-B on July 21st 2025 Then Got ENGERIX-B instead of HEPLISAV-B 21-AUG-2025; Initial report received on 22-Aug-2025. A pharmacist in the reported that a patient received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization on 21-Jul-2025 and received ENGERIX-B as the second dose on 21-Aug-2025. No medical history or concomitant medications were reported. On 21-Jul-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 21-Aug-2025, 32 days after receiving HEPLISAV-B, the patient received dose 2 of a hepatitis B vaccine ENGERIX-B (lot number, expiration date, route, and site not available). No additional information was reported. Company Comment:; Sender's Comments: The company assessed the event as non-serious.

Other medications

Engerix b