Report #2830249

Received Mar 8, 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: 5 yrs
State: —
Recovered: Unknown
Vaccinated: Feb 20, 2025
Onset: Feb 20, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	Y003880	—

Symptoms (2)

No adverse eventWrong product administered

Symptom narrative

Patient is asymptomatic. No additional AE; a 5 year old patient was inadvertently administered a dose of PROQUAD instead of MMRII on 02/20/2025.; This spontaneous report was received from an office manager and refers to a 5-year-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 20-Feb-2025, the patient was inadvertently administered a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y003880, expiration date: 05-Aug-2025) (dose, route of administration and anatomical location were not provided) which was diluted with sterile diluent, (expiration date, and lot # were not reported) instead of Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (MMR II) (wrong product administered). The patient was asymptomatic, no additional adverse event and no additional details were reported.

Other medications

MERCK STERILE DILUENT