No adverse event; HCP calling to report T/E. HCP stated PROQUAD (s) are not back in range. PROQUAD was administered during a temperature excursion on 1/23/2025. No additional AE reported. NO PQC reported. Was the product administered? YES, PROQUAD Y013583 2/03/2; This spontaneous report was received from medical assistant refers to a patient of unknown age and gender. The patient’s medical history, concurrent conditions and concomitant therapies were not provided. On 23-JAN-2025, the patient was vaccinated with the first, improperly stored dose of measles, mumps, rubella and varicella (oka-merck) virus vaccine live, rHA (recombinant Human albumin) (PROQUAD), formulation: injection, lot # Y013583 has been verified to be a valid lot number, expiration date was not provided, but upon internal validation was established as 03-FEB-2026 (exact dose, route of administration and anatomical location were nor provided) for prophylaxis. On 23-JAN-2025, administered dose of vaccine was exposed to the temperature excursion (product storage error). No more information available. No previous temperature excursion had occurred. There were no additional adverse events reported (no adverse event).