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Report #2855656

Received Aug 26, 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
3 yrs
State
MO
Recovered
Unknown
Vaccinated
Mar 14, 2025
Onset
Jul 16, 2025
Days to onset
124
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.1X019102OT / LL

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

no adverse event; incorrect product storage; This spontaneous report was received from a Nurse and refers to a 3-year-old male patient. The patient had no medical history nor concurrent conditions. Concomitant therapies were not reported. On 14-Mar-2025, the patient was vaccinated at private doctor's office or hospital with the first dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), Solution for injection (lot #X019102, expiration date: 16-Jul-2025), dose number 1, administered by Subcutaneous route in Left Thigh. It was diluted with sterile diluent (BAXTER STERILE DILUENT). The vaccine underwent a temperature excursion of freezer. The vaccine was discarded after use.; Sender's Comments: Priority : 2 , Is case serious : Yes , Index user : , Index date : 2025-08-04 , MNSC number : , CLIC number : , ESTAR number : , IRMS number : SL , Central date : 2025-07-31 , Classification : DMC, Attachment description : Minimal Data Entry , Safety case number :

Other medications

sterile diluent