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Report #2837634

Received Apr 23, 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
4 yrs
State
PA
Recovered
Unknown
Vaccinated
Mar 20, 2025
Onset
Mar 20, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKY006771—

Symptoms (2)

No adverse eventProduct preparation error

Symptom narrative

no adverse event; Physician reported an AE for PROQUAD. The caller said a dose was reconstituted with normal saline and administered to a patient on 3/20/2025. Confirmed with caller no other AE occurred. Caller provided consent for follow up. No other AE. No PQC.; This spontaneous report was received from a physician and refers to a 4-year-old 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 20-MAR-2025, the patient was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y006771, expiration date: 24-Sep-2025) (1 dose), for prophylaxis. The reporter stated that a dose was reconstituted with normal saline (lot #HN2235, expiration date: 01-Oct-2025) and administered to the patient (product preparation error). The physician confirmed that no other adverse event occurred (no adverse event).

Other medications

Normal saline