Report #2854988

Received Aug 21, 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: Unknown
Age: Age unknown
State: IN
Recovered: Unknown
Vaccinated: Aug 15, 2025
Onset: Aug 15, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPA	HEP A (VAQTA)	MERCK & CO. INC.	UNK	—	—

Symptoms (2)

No adverse eventUnderdose

Symptom narrative

No additional AE; HCP called to report administering an adult dose of VAQTA to a 12 month old patient. No symptoms reported. AE filed under 02857257. Consent provided for follow up with the HCP. Caller declined to report any further information including whether the; This spontaneous report was received from a healthcare professional (HCP) and refers to a 12-month-old patient of unknown gender. The patient's medical history, historical drugs, known drug allergies, concurrent conditions, and concomitant therapies were not reported. On 15-Aug-2025, the patient was vaccinated with an adult dose of Hepatitis A Vaccine, Inactivated (VAQTA), suspension for injection (lot # and expiration date were not reported) as prophylaxis (Vaccine overdose). No symptoms reported. Lot # is being requested and will be submitted if received.