Report #2894939

Received Apr 30, 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: Male
Age: 44 yrs
State: PA
Recovered: Unknown
Vaccinated: Apr 21, 2026
Onset: Apr 21, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPA	HEP A (HAVRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	T5727	—

Symptoms (1)

Underdose

Symptom narrative

pediatric dose administered instead of adult dose; underdose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of adult use of a child product in a 44-year-old male patient who received HAV (Havrix 720) (batch number T5727, expiry date 06-MAY-2026) for prophylaxis. On 21-APR-2026, the patient received Havrix 720. On 21-APR-2026, an unknown time after receiving Havrix 720, the patient experienced adult use of a child product (Verbatim: pediatric dose administered instead of adult dose) and underdose (Verbatim: underdose). The outcome of the adult use of a child product and underdose were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences.