VAERS Explorer
Back to explore

Report #2883225

Received Jan 27, 2026

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
15 yrs
State
CA
Recovered
Unknown
Vaccinated
Oct 28, 2025
Onset
Oct 28, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ008220—

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No side effects or symptoms reported; a 15-year-old patient received a dose of PROQUAD; This spontaneous report was received from a nurse and refers to a 15-year-old female patient. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 28-Oct-2025, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), Powder and solvent for solution for injection, at a total dose of 0.5 ml (valid lot #Z008220, expiration date reported and confirmed as 27-Oct-2026; route of administration and anatomical location were not provided) as prophylaxis (product administered to patient of inappropriate age). The suspect vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) solution for injection (lot # and expiration date were not reported). No side effects or symptoms reported (no adverse event). The reporter informed that the event was noticed on 23-Jan-2026.

Other medications

Sterile diluent