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Report #2881827

Received Jan 14, 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
Unknown
Age
Age unknown
State
MO
Recovered
Unknown
Vaccinated
Jan 6, 2026
Onset
Jan 6, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKX026790—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No additional AE; an expired dose of VARIVAX; This Spontaneous report was received from Nurse and referred to a 5 -year-old patient of unknown gender. The patient's medical history was not reported. The patient's past medications were not reported. The patient's concomitant medications were not reported. On 06-Jan-2026, the patient was vaccinated with an expired dose of Varicella Virus Vaccine Live (Oka-Merck) lyophilisate and solvent for solution for injection (VARIVAX ) (0.50 mL) (total) (Batch/Lot Number: X026790) (Expiration date: 14-Nov-2025) for prophylaxis (Expired product administered). The vaccine was reconstituted with sterile diluent (lot # and expiration date were unknown). There was no additional AE (No adverse event).

Other medications

MERCK STERILE DILUENT