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Report #2859264

Received Sep 17, 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
OR
Recovered
Unknown
Vaccinated
Sep 8, 2025
Onset
Sep 8, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

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

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

no patient symptoms have been reported; Specialist transferred medical assistant who called to report an expired dose of PROQUAD was inadvertently administered to a patient.; This spontaneous report was received from a medical assistant and refers to a patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 08-Sep-2025, the patient received an expiry dose of with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y004545, expiration date: 19-Aug-2025) diluted with sterile diluent (indication, expiration date, and lot # were not reported) for prophylaxis (Expired product administered). No patient symptoms reported.

Other medications

Sterile diluent