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Report #2855659

Received Aug 26, 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
WA
Recovered
Unknown
Vaccinated
Aug 18, 2025
Onset
Aug 18, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.1Y015559—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE/PQC.; VARIVAX was administered after TE on 8/18/2025; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. Between 01-Aug-2025 and 19-Aug-2025, a temperature excursion (TE) occurred with a cumulative time of 432 hours with a max temperature of (-12.5C) with 2 prior excursions (prior excursion: -10°C up to 8°C (-8.94C) for 0 hours, 11 minutes, 0 seconds; prior excursion: -10°C up to 8°C (-10C) for 1 hour, 54 minutes, 0 seconds; current excursion: -14°C up to -10°C (-12.5C) for 432 hours, 0 minutes, 0 seconds (cumulative for August 2025)). On 18-Aug-2025, after the TE, the patient was vaccinated with a dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) (lot #Y015559, expiration date reported as and upon internal validation confirmed to be 16-Sep-2026) for prophylaxis (dose, route of administration and vaccination site were not reported) (product storage error). TE evaluation was communicated as "supported". No additional adverse event (AE) and no product quality complaint (PQC) was noted (no adverse event).

Other medications

DILUENT MRK INJ