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Report #2877019

Received Dec 9, 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
1.2 yrs
State
GA
Recovered
Unknown
Vaccinated
Nov 7, 2025
Onset
Nov 7, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKZ008197—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No side effects or symptoms reported. No Additional AE/ No PQC.; HCP called to report TE where patient received product VARIVAX: Z008197 exp: 04/30/2027 after it was improperly stored.; This spontaneous report was received from a physician assistant (reported as medical assistant) and refers to a 15-month-old patient of unknown gender. The patient's medical history, concurrent conditions, concomitant therapies, previous drugs reactions and allergies were not reported. On 07-Nov-2025, the patient was vaccinated with an improperly stored dose of varicella virus vaccine live (oka-merck) lyophilisate and solvent for solution for injection (VARIVAX) injection, at a dose of 0.5 milliliters (mL), administered as prophylaxis (Lot No. Z008197 has been verified to be a valid lot number for [varicella virus vaccine live (oka-merck) lyophilisate and solvent for solution for injection], expiration date reported, and upon internal validation established as 30-Apr-2027) (strength, dose number, route and anatomical location of administration and vaccination scheme frequency were not provided); that was reconstituted with sterile diluent, solution for injection (Lot No., expiration date and indication were not provided) (product storage error), after a temperature excursion of -10.5 degree Celsius (C) during a time frame of 1 hour. No previous temperature excursion was reported. No side effects or symptoms reported. No additional information or adverse events or PQC were provided (no adverse event).

Other medications

sterile diluent