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Report #2894575

Received Apr 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
Male
Age
1 yrs
State
SC
Recovered
Recovered
Vaccinated
Apr 24, 2026
Onset
Apr 24, 2026
Days to onset
0
Hospital days

Vaccines (3)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (VAQTA)MERCK & CO. INC.UNKZ005021IM / LL
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNKZ016961IM / LL
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.UNKZ016560IM / RL

Symptoms (2)

Product storage issueWrong product administered

Symptom narrative

Patient was supposed to get Hep A, MMR, and Varicella but was inadvertently given MMRV (ProQuad) instead of MMR. MMRV had been stored in the refrigerator. Admin error reported to Merck Medical team to get additional information on viability of MMR component of MMRV stored in the refrigerator. Awaiting that information.

Current illness

Croup and ear infection (3/26/2026), Fever, viral infection (4/11/2026), rash (4/14/2026)

Other medications

Vitamin D