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Report #2852346

Received Aug 1, 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
Female
Age
Age unknown
State
IL
Recovered
Unknown
Vaccinated
Jul 8, 2025
Onset
Jul 8, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY008787—
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNK——

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

No additional AE; PROQUAD administered inadvertently with VARIVAX to a 16 year old,; This spontaneous report was received from a health professional and refers to a 16-year-old female patient. The patient's medical history, current conditions and concomitant therapies was not reported. On 08-JUL-2025, the patient was administered inadvertently with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) at a dose of 0.5ml (lot #Y008787 who had been verified to be a valid lot number, expiration date reported and assessed as 30-OCT-2025) and Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX). Both vaccines were administered as prophylaxis. The vaccines were reconstituted with sterile diluent (MERCK STERILE DILUENT) (Extra dose administered). No adverse events reported.

Other medications

Sterile diluent