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Report #2885892

Received Feb 17, 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
Nov 18, 2025
Onset
Jan 30, 2026
Days to onset
73
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (HEPLISAV-B)DYNAVAX TECHNOLOGIES CORPORATION1946907

Symptoms (1)

Extra dose administered

Symptom narrative

Patient Had A Dose of Heplisav-B on 11/18/2025, and Then A Pediatric Dose of Engerix on 1/30/2025; Initial report received on 02-Feb-2026. A nurse reported that a 31-year-old female patient (race, ethnicity not provided) received the first dose of HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and received a a pediatric dose of ENGERIX-B more than two months later. No medical history or concomitant medications were reported. On 18-Nov-2025, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot #946907, expiration date 23-Nov-2027, and NDC number route and site not reported). 30-Jan-2026, 73 days after having been vaccinated with HEPLISAV-B, the patient received a pediatric dose of a hepatitis B vaccine [ENGERIX-B (no details provided)]. The patient had no other side effects. 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.