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Report #2854981

Received Aug 21, 2025

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
SC
Recovered
Unknown
Vaccinated
Aug 1, 2025
Onset
Aug 1, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY017208—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE; Custome called to report TE. She called this morning for prior TE, and later a day and before TE she was calling now, PROQUAD was administered to two patients.; This spontaneous report was received from a nurse 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 01-Aug-2025, the patient was vaccinated with an improperly storage dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y017208, expiration date: 13-Apr-2026), 0.5 mL for prophylaxis, diluted with sterile diluent (strength, dose, frequency, lot#, and expiry date not provided) (Product storage error). Temperature excursion occurred at -10.1 C for 1 hour. A previous temperature excursion was reported. No additional adverse event was reported. This is one of two reports from the same reporter.

Other medications

Sterile diluent