Report #2893519

Received Apr 22, 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: 67 yrs
State: UT
Recovered: Unknown
Vaccinated: Apr 10, 2026
Onset: Apr 10, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPA	HEP A (HAVRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	42DM9	—

Symptoms (1)

Underdose

Symptom narrative

Pediatric dose to an adult patient; 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 67-year-old female patient who received HAV (Havrix) (batch number 42DM9) for prophylaxis. On 10-APR-2026, the patient received Havrix. On 10-APR-2026, an unknown time after receiving Havrix, the patient experienced adult use of a child product (Verbatim: Pediatric dose to an adult patient) 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. Additional Information: GSK receipt date 15-APR-2026 On 15-Apr-2025 an reported that last Friday, 10-Apr-2025, an adult patient received a Havrix pediatric dose.