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Report #2879794

Received Dec 29, 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 yrs
State
GA
Recovered
Unknown
Vaccinated
Dec 1, 2025
Onset
Dec 1, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

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

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No side effects or symptoms reported.; TE where patient received product after it was improperly stored.; This spontaneous report was received from a medical assistant and refers to a 1-year-old patient of unknown gender. The patient's concurrent conditions, medical history, previous drug reactions, drug allergies and concomitant therapies were not reported. On 01-Dec-2025, the patient was vaccinated with an improperly stored dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) 0.5 mL Injection (involved lot # was Z008197 which has been verified to be valid, expiration date: 30-Apr-2027), reconstituted in a sterile diluent and administered as prophylaxis (route of administration and site of administration were not provided). Temperature excursion was -10.5C for 1 hour 0 minutes 0 seconds. There was no previous temperature excursion nor report of adverse effect or product quality complaint involved.