Report #2878867

Received Dec 20, 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: PA
Recovered: Unknown
Vaccinated: Sep 9, 2025
Onset: Dec 2, 2025
Days to onset: 84
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (HEPLISAV-B)	DYNAVAX TECHNOLOGIES CORPORATION	1	945657	IM

Symptoms (2)

Incomplete course of vaccinationNo adverse event

Symptom narrative

Received First Dose of HEPLISAV-B In September, Has Not Had The Second Dose; Initial report received on 02-Dec-2025. A pharmacist reported that a 41-year-old female received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization on 09-Sep-2025 and has not had the second dose. No medical history or concomitant medications were reported. The patient had no known drug allergy. On 09-Sep-2025, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot number 945657; expiration date, NDC number, and site not available)] intramuscularly. As of 02-Dec-2025, 84 days after receiving the first dose of HEPLISAV-B, the patient has not yet received the second dose. No adverse effects were reported. 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.