Customer calling to report temperature excursion. PROQUAD dose was administered on 1/23/2025.; This spontaneous report was received from an Other Health Professional and referred to a patient of unknown age and gender. The patient’s medical history, concurrent conditions, concomitant therapies, drug reactions and allergies were not reported. On 23-JAN-2025, the patient was vaccinated with improperly stored measles, mumps, rubella and varicella (oka-merck) virus vaccine live (PROQUAD) subcutaneous injection, 0.5 milliliter, lot #Y010050, expiration date: 25-NOV-2025, administered for prophylaxis (strength, and route of administration were not provided) (product storage error).