VAERS Explorer
Back to explore

Report #2857386

Received Sep 8, 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
Male
Age
4 yrs
State
CA
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ008866OT

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

a dose of PROQUAD was administered to a patient after it was not stored immediately and sat in the sealed shipping container; No adverse effects were noted.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On an unknown date, the patient was vaccinated with a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Z008866, expiration date reported as 10-Nov-2026) 0.5 mL (route of administration and anatomical location of vaccine were not reported), the vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot #, expiration date and dose were not reported) administered for prophylaxis. This dose of was administered to the patient after it was not stored immediately and sat in the sealed shipping container (Product storage error). The nurse used the room temperature as the maximum temperature for a worst case scenario temperature excursion evaluation; the registered temperature was 75 Fahrenheit for 6 hours. No adverse effects were noted. No additional information was provided to further clarify the details. Follow-up information was received from the nurse on 03-Sep-2025. This report referred to a 4-year-old male patient.

Other medications

DILUENT MRK