No symptomatic adverse events were reported; temperature excursion vaccine; This spontaneous report was received from a nurse and refer to a patient of unknown age and gender. There was no information about patient’s concomitant medications, concurrent conditions or pertinent medical history On 18-NOV-2024, the patient was vaccinated with varicella virus vaccine live (oka/merck)(VARIVAX) lot # Y004553, expiration date not reported but upon internal validation established as 20-FEB-2026 which was exposed to temperature excursion with the sterile diluent(MERCK STERILE DILUENT), (dose, route, anatomical location were not reported) for prophylaxis. No symptomatic adverse events were reported. This is one of several reports from the same source.; Sender’s Comments: US-009507513-2501USA008885: