Report #2875935

Received Dec 2, 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: AR
Recovered: Unknown
Vaccinated: —
Onset: Nov 7, 2025
Days to onset: —
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	Y009106	—
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	Y009106	—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

No additional AE and no PQC reported; HCP calling to report the inadvertent administration of an expired dose of PROQUAD to a patient. No symptoms reported and no additional details provided. No additional AE and no PQC reported; This spontaneous report was received from an Other health professional and refers to a specific 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 07-Nov-2025, the patient started therapy with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y009106, expiration date: 06-Nov-2025), (strength, dose, dose number, route, anatomical location, frequency, and vaccination scheme were not reported), as prophylaxis. No adverse event was reported.