VAERS Explorer
Back to explore

Report #2840542

Received May 12, 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
—
Recovered
Unknown
Vaccinated
May 2, 2025
Onset
May 2, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (VAQTA)MERCK & CO. INC.1X025908—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No other AE; inadvertent administration of an expired dose of VAQTA to a patient; This invalid spontaneous report was received from a nurse practitioner and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 02-May-2025, the patient was vaccinated with a dose of Hepatitis A Vaccine, Inactivated (VAQTA) lot #X025908, expiration date reported as and upon internal validation confirmed to be: 24-Apr-2025) (dose, route of administration and vaccination site were not reported) administered for prophylaxis. On that day, an expired dose of Hepatitis A Vaccine, Inactivated (VAQTA) was inadvertently administered to the patient (expired product administered). No symptoms were reported and no additional details were provided. No other adverse event (AE) and no product quality complaint (PQC) was reported (no adverse event). This case was considered to be invalid due to lack of patient's identifiers.