Report #2868006

Received Oct 23, 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: TN
Recovered: Unknown
Vaccinated: Jun 21, 2025
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

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

Symptoms (1)

Inappropriate schedule of product administration

Symptom narrative

Missed The Dosing Window For Her 2nd Dose of HEPLISAV-B; Initial report received on 17-Oct-2025. A pharmacist reported that a 23-year-old female received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and missed the dosing window for her second dose of HEPLISAV-B. No medical history or concomitant medications were reported. On 21-Jun-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 17-Oct-2025, 119 days after receiving HEPLISAV-B, the patient had missed the dosing window for her second dose of HEPLISAV-B. Over three months have passed since she received the first dose. The reporter noted that the due date for the second dose was late July. No additional information was reported. The outcome was not reported. Company Comment: The company assessed the event as non-serious.; Sender's Comments: The company assessed the event as non-serious.