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Report #2878950

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
Unknown
Age
Age unknown
State
KY
Recovered
Unknown
Vaccinated
Dec 8, 2025
Onset
Dec 8, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.UNKX027902OT

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No symptoms reported; An expired dose of MMR II was administered. The dose expired on 12/04/2025 and was administered on 12/08/2025; This spontaneous report was received from a medical assistant and refers to a patient of unknown age and gender. The patient's pertinent medical history, concurrent conditions, drug reactions or allergies, and concomitant medications were not reported. On 08-Dec-2025, the patient was vaccinated with Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), Powder and solvent for solution for injection (valid lot # X027902, expiration date reported and confirmed as 04-Dec-2025) at a dose of 0.5 mL, total as prophylaxis (route of administration and anatomical location not provided) (expired vaccine used). The suspect vaccine was reconstituted with sterile diluent (BAXTER STERILE DILUENT) solution for injection (valid lot #Y014741, expiration date reported and confirmed as 13-Feb-2027) at a dose of 0.7 mL, total as prophylaxis. No symptoms reported (no adverse event). The products did not have any temperature excursions.

Other medications

DILUENT MRK