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Report #2853674

Received Aug 12, 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
IL
Recovered
Unknown
Vaccinated
Jul 28, 2025
Onset
Jul 28, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKZ004454—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No adverse event; a patient who was administered improperly stored VARIVAX; This spontaneous report was received from Other Health Professional and refers to a patient of unknown age and gender. The patient's medical history, concurrent condition, concomitant therapies were not reported. On an unknown date, the vaccine Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), 0.5 mL/dose, #Z004454, expiration date: 13-Feb-2027 was temperature excursion (TE) from -12.6C / -14°C up to -10°C (worst-case scenario, no TE assessment) for 0 Hours 45 Minutes 0 Seconds (worst-case scenario, no TE assessment). The previous temperature excursion was unknown. Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) was unable to be assessed using in-house stability data due to data logger discrepancies. On 28-Jul-2025, this vaccine was vaccinated to the patient for prophylaxis (strength, and route of administration were not provided) (Product storage error). No symptoms reported. No additional AE details reported.

Other medications

Sterile Diluent