VAERS Explorer
Back to explore

Report #2873556

Received Nov 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
FL
Recovered
Unknown
Vaccinated
May 29, 2025
Onset
May 29, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (VAQTA)MERCK & CO. INC.UNKY012227—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

no adverse event; improperly stored vaccine; This spontaneous report was received from an Other health professional and refers to a patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 29-May-2025, the patient started therapy with Hepatitis A Vaccine, Inactivated (lot #Y012227, expiration date: 12-Nov-2025) 1 dosage form (1 dose). The vaccine was improperly stored (temperature: 31.3F; time frame: 15 minutes). There was no previous temperature excursion. No additional AEs were reported