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Report #2856064

Received Aug 29, 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
MO
Recovered
Unknown
Vaccinated
Aug 6, 2025
Onset
Aug 6, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY003883—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

no adverse event; patient was inadvertently administered an expired dose of PROQUAD; 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 06-Aug-2025, the patient was vaccinated with an expired dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (recombinant human albumin)(PROQUAD), Injection (lot #Y003883, expiration date: 05-Aug-2025) 0.5 mL dose for prophylaxis. No additional adverse event was reported. This is one of several cases received from the same reporter.

Other medications

sterile diluent