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Report #2881986

Received Jan 15, 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
Female
Age
1.3 yrs
State
WA
Recovered
Unknown
Vaccinated
Jan 5, 2026
Onset
Jan 5, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.1Z011601RL

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; underwent a temperature excursion was administered; This Spontaneous report was received from Nurse and referred to a 1 -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 05-Jan-2026, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) lyophilisate and solvent for solution for injection (VARIVAX) (0.50 mL) (total) (Batch/Lot Number: Z011601) (Expiration date: 11-Jul-2027) for prophylaxis. The vaccine was exposed to temperature excursion of -14 degrees Celsius to -10 degrees Celsius for 30 minutes and -10 degrees Celsius to 8 degrees Celsius for 2 hours 20 minutes (Product storage error). The vaccine was reconstituted with sterile diluent Solution for injection (MERCK STERILE DILUENT) (Batch/Lot Number: Z003252) (Expiration date: 05-Dec-2027). There was no additional AE (No adverse event). Follow-up information was received from the Nurse on 13-Jan-2025. The patient was a female. On 17-Dec-2025 there was a power outage due to severe windstorm and the facility suffered a frozen vaccine excursion. There was no report of injury. The patient was vaccinated in right thigh and it was dose number 1 of the vaccine.

Other medications

DILUENT MRK