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Report #2853150

Received Aug 7, 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 symptoms reported. No additional AE details reported.; inadvertently administered an expired dose of PROQUAD on 08/06/2025; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history and concurrent conditions were not reported. On 06-Aug-2025, the patient was inadvertently vaccinated with an expired dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) (0.5 mL, lot #Y003883, expiration date: 05-Aug-2025; rout of administration and vaccination site were not reported) for prophylaxis (Expired product administered). The vaccine was reconstituted with sterile diluent (strength, dose, lot # and expiration date not reported). There was no temperature excursion. No symptoms were reported. No additional AE details were reported.

Other medications

Sterile Diluent