Report #2851389

Received Jul 28, 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: Unknown
Age: Age unknown
State: ME
Recovered: Unknown
Vaccinated: Jun 23, 2025
Onset: Jun 23, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (HEPLISAV-B)	DYNAVAX TECHNOLOGIES CORPORATION	UNK	947931	IM

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

Temperature Excursion for a Total of Six Days, Four Patients Received it After the Excursion; Initial report received on 15-Jul-2025. A nurse reported that a patient received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization after the product had experienced a temperature excursion for a total of 6 days. No medical history or concomitant medications were reported. On 23-Jun-2025, the patient received a dose of a hepatitis B vaccine HEPLISAV-B (lot number 947931, expiration date 15-May-2027, and NDC number 43528-003-01) intramuscularly. The reporter noted a temperature excursion for a total of 6 days prior to the vaccination. No adverse reactions 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.