VAERS Explorer
Back to explore

Report #2841680

Received May 19, 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
TX
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (VAQTA)MERCK & CO. INC.UNKY013274—

Symptoms (2)

Circumstance or information capable of leading to medication errorUnderdose

Symptom narrative

The caller she knows it was less than the recommended dose of VAQTA; No additional AE reported.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On an unknown date, the patient was vaccinated with Hepatitis A Vaccine, Inactivated (VAQTA), (valid lot #Y013274, expiration date: 26-Dec-2025) for prophylaxis. During vaccination the patient moved. The caller said due to the child moving she believed the patient received half the dose of Hepatitis A Vaccine, Inactivated (VAQTA), but the caller did not know the exact dose amount the patient received. The caller she knew it was less than the recommended dose of Hepatitis A Vaccine, Inactivated (VAQTA) (accidental underdose). No additional adverse event (AE) was reported.