VAERS Explorer
Back to explore

Report #2879037

Received Dec 22, 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
5 yrs
State
NY
Recovered
Unknown
Vaccinated
Nov 30, 2025
Onset
Nov 30, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ010385—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AE.; excursion occurred from 28-NOV-2025 to 30-NOV- 2025 and one dose was administered on 30-NOV-2025; This Spontaneous report was received from health business professional (HBP) and referred to a 5-year-old male patient. The patient's medical history was not reported. The patient's past medications were not reported. The patient's concomitant medications were not reported. On 30-NOV-2025, the patient vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live lyophilisate and solvent for solution for injection (PROQUAD) injection (one dose, lot Number: Z010385, Expiration date: 14-Dec-2026, strength and route were not reported) for prophylaxis. The vaccine was reconstituted with sterile diluent (lot # and expiration date were not provided). It stated that the excursion occurred from 28-NOV-2025 to 30-NOV-2025 (Product storage error). Temperature was 2.8 Degree Celsius (C), time frame was 45 Hours 5 Minutes 0 seconds. There was no previous temperature excursion. It was confirmed no symptomatic adverse events. No additional adverse event (No adverse event).

Other medications

STERILE DILUENT