No additional AE; HCP called to report a Temperature Excursion on case number 02740636. The case is still ongoing and it could not be confirmed if the products were still supported. The HCP reports that PROQUAD was inadvertently administered after suffering from a Te; This spontaneous report has been received from a Nurse referring to a patient of an unknown age and gender. The patient’s concomitant medications included sterile diluent (MERCK STERILE DILUENT). The patient’s pertinent medical history, concurrent conditions, concomitant medications and previous drugs reactions or allergies were not reported. On 11-NOV-2024, the patient was vaccinated with an improperly stored dose of measles, mumps, rubella and varicella (oka-merck) virus vaccine live (rHA[recombinant human albumin]) (PROQUAD) injection, 0.5 milliliter, administered as prophylaxis (Lot No. Y013574 has been verified to be a valid lot number for [measles, mumps, rubella and varicella (oka-merck) virus vaccine live], expiration date was not reported but upon internal validation established as 03-FEB-2026) (dose number, route of administration, anatomical location of administration and vaccination scheme frequency were not provided) (product storage error), after a temperature excursion of -11.6 degree Celsius (C) during a time frame of 3 hours, 5 minutes and 0 seconds. Previous temperature excursions could not be confirmed. No additional adverse event (AE) was reported (no adverse event). This is one of several reports received from the same reporter.; Sender’s Comments: US-009507513-2501USA007066: US-009507513-2501USA008866: US-009507513-2501USA008885: US-009507513-2501USA009045: US-009507513-2501USA008880: US-009507513-2501USA008935: US-009507513-2501USA008877: US-009507513-2501USA008882: US-009507513-2501USA007047: US-009507513-2501USA007446: US-009507513-2501USA008861: