VAERS Explorer
Back to explore

Report #2851724

Received Jul 30, 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
WA
Recovered
Unknown
Vaccinated
Jul 10, 2025
Onset
Jul 10, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY004545—

Symptoms (2)

No adverse eventProduct storage error

Symptom narrative

No additional AEs were reported,; a patient received improperly stored vaccine.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's pertinent medical history, previous drug reactions or allergies and concomitant medications were not provided. On 10-JUL-2025, the patient was vaccinated with 1 dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) solvent for solution for injection as prophylaxis and was improperly store (product storage error) (dose, route and anatomical site of administration (lot # Y004545 has been determined valid, expiration date reported and validated as 19-AUG-2025) by a health professional. The product was reconstituted with its sterile diluent (MERCK STERILE DILUENT) (lot number and expiration date not provided). It was reported the vaccine was storage with a temperature: -9.6C for a time frame: 40 minutes. No previous temperature excursion. No additional adverse events (AE) no further information provided.

Other medications

Sterile diluent