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Report #2884320

Received Feb 4, 2026

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
IN
Recovered
Unknown
Vaccinated
Jan 12, 2026
Onset
Jan 12, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY013576—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; Provider calling to reporting temperature excursion. One dose of PROQUAD was administered after undergoing supported excursion. No clinical side effects noted. No additional AE, no PQC. No additional information. ? Names of vaccines inv; This spontaneous report was received from a physician and refers to a patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 12-Jan-2026, the patient was vaccinated with improperly stored dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y013576, expiration date: 03-Feb-2026) 0.5 mL for prophylaxis. No adverse event was reported. The vaccine underwent a temperature excursion of -12.3 degree Celsius for 38 minutes.