Report #2875103

Received Nov 26, 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: 34 yrs
State: TX
Recovered: Unknown
Vaccinated: Nov 21, 2025
Onset: Nov 21, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (ENGERIX-B)	GLAXOSMITHKLINE BIOLOGICALS	UNK	A5DP7	IM

Symptoms (1)

Inappropriate schedule of product administration

Symptom narrative

third dose was mistakenly given three months early; This non-serious case was reported by a nurse via call center representative and described the occurrence of drug dose administration interval too short in a 34-year-old male patient who received HBV (Engerix B adult) (batch number A5DP7, expiry date 11-AUG-2027) for vaccination. On 21-NOV-2025, the patient received Engerix B adult (intramuscular) 20 ug. On 21-NOV-2025, an unknown time after receiving Engerix B adult, the patient experienced drug dose administration interval too short (Verbatim: third dose was mistakenly given three months early). The outcome of the drug dose administration interval too short was not applicable. Additional Information: GSK Receipt Date: 21-NOV-2025 An adult patient mistakenly received his third Engerix-B dose three months early. The first dose was 22 Aug 2025. The second dose was 24 Sep 2025. The third dose was mistakenly given today, 21 Nov 2025. Nothing else was reported.

Other medications

ENGERIX B; ENGERIX B