Report #2862031

Received Sep 29, 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: Male
Age: Age unknown
State: —
Recovered: Unknown
Vaccinated: Sep 8, 2025
Onset: Sep 8, 2025
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)

Chills

Symptom narrative

Chills 24 Hours a Day; Initial report received on 12-Sep-2025. A consumer reported that a male patient received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and experienced chills 24 hours a day. No medical history or concomitant medications were reported. On 08-Sep-2025, the patient received dose 1 of hepatitis B vaccine [HEPLISAV-B (lot, expiration date, NDC, site and route not reported)]. On 08-Sep-2025, after having been vaccinated with HEPLISAV-B, the patient has had chills 24 hours a day. 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.