Report #2898244

Received May 28, 2026

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: CA
Recovered: Unknown
Vaccinated: May 12, 2026
Onset: May 12, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

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

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

A 17 Year Old Received Heplisav-B; Initial report received on 19-May-2026. A nurse reported that a 17-year-old female patient (race and ethnicity unknown) received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization. No medical history or concomitant medications were reported. On 12-May-2026, the patient received an unknown dose of a hepatitis B vaccine [HEPLISAV-B (lot number, expiration date, NDC #, site, and route not reported). The patient was 17 years old when she received HEPLISAV-B. No additional information was reported. Company Comment: The company assessed the event as non-serious.; Sender's Comments: The company assessed the event as non-serious.