Report #2861918

Received Sep 29, 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: CA
Recovered: Unknown
Vaccinated: Sep 11, 2025
Onset: Sep 11, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	Z008867	OT

Symptoms (1)

Product storage error

Symptom narrative

vaccine was administered after temperature excursion; This spontaneous report was received from a physician assistant and refers to a patient of unknown age and gender. The patient's medical history, drug history, concurrent conditions and concomitant therapies were not reported. On 11-Sep-2025, the patient was vaccinated with an improperly stored dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Z008867, expiration date: 10-Nov-2026) 0.5 mL total, administered by subcutaneous route (anatomical site and dose number in series were not reported); the vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported) as prophylaxis (Product storage error). The reported temperature was 32 Fahrenheit for a time frame of 4 hours 30 minutes 0 seconds. No previous temperature excursion. This is one of several reports from the same source.

Other medications

STERILE DILUENT