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Report #2887916

Received Mar 6, 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
1.2 yrs
State
TX
Recovered
Recovered
Vaccinated
Feb 27, 2026
Onset
Feb 27, 2026
Days to onset
0
Hospital days

Vaccines (4)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (VAQTA)MERCK & CO. INC.1Z006736IM / RL
HIBVHIB (PEDVAXHIB)MERCK & CO. INC.3y005457IM / LL
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.1z014435IM / RL
PNC20PNEUMO (PREVNAR20)PFIZER\WYETH4mm0513IM / LL

Symptoms (3)

Infant irritabilityProduct preparation issuePyrexia

Symptom narrative

The MA who administered the vaccines erroneously mixed the MMRV with Beyfortus (RSV) and injected it, instead of mixing MMRV with sterile dilutant. The patient had no adverse outside the normal fussiness and mild fever for 1-2 days.

Current illness

Pneumonia

Medical history

none

Other medications

none; Beyfortus

Allergies

NKDA

Lab data

Patient was reevaluated on 3/6/2026 by myself, Dr., and found to have no signs or symptoms of adverse reactions. Vitals WNL.