VAERS Explorer
Back to explore

Report #2855426

Received Aug 25, 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
AZ
Recovered
Unknown
Vaccinated
Jul 30, 2025
Onset
Jul 30, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ002991OT / RA

Symptoms (2)

No adverse eventProduct administered to patient of inappropriate age

Symptom narrative

No Additional AE; Caller reported PROQUAD was administered to an adult. No other information provided. No Additional AE/PQC reported.; This spontaneous report was received from a Nurse and refers to an adult patient of unknown gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 30-Jul-2025, the (adult) patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), 0.5 mL, lot #Z002991, expiration date: 14-Jul-2026, administered by intramuscular route in the right arm as prophylaxis (Product administered to patient of inappropriate age). The vaccine was reconstituted with sterile diluent (no details provided). No other information provided. No additional adverse events. At the reporting time, the outcome of the events was unknown. The action taken with the suspect products was not reported, but established as not applicable.

Other medications

Sterile diluent