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Report #2843371

Received May 30, 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
May 20, 2025
Onset
May 20, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNK——
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKY003892—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No Side effects or symptoms reported.; HCP called to report one patient received VARIVAX after a temperature excursion.; 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. On 20-May-2025, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX REFRIGERATOR STABLE) injection (lot #Y003892, expiration date: 06-Feb-2026) 0.5 mL as prophylaxis, the vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot # and expiration date were not reported) which experienced a temperature excursion (Improper storage of product in use) at 14.2F for 1 hour 3 minutes 0 seconds. No previous excursions. No Side effects or symptoms reported (No adverse event).