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Report #2854741

Received Aug 19, 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
Female
Age
0.5 yrs
State
OR
Recovered
Recovered
Vaccinated
Aug 14, 2025
Onset
Aug 14, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
COVID19COVID19 (COVID19 (PFIZER-BIONTECH))PFIZER\BIONTECH1LN8272IM / LL
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.1Y017527IM / RL

Symptoms (8)

Immediate post-injection reactionInfant irritabilityInjection site erythemaInjection site rashInjection site urticariaPapuleRashRoseola

Symptom narrative

Immediately fussy, within 8-10 minutes started developing rash, pink wheals on left medial thigh concerning for urticaria, pink papules on right buttocks, red patch on dorsum of left toes. Fussiness and rash improved during observation with pink patch remaining on left inner thigh. Observed in clinic for 20 minutes total. No dyspnea, vomiting, or other symptoms of anaphylaxis. Advised home administration of cetirizine which family administered. I (Dr.) followed up 3 hours later with family via phone, she was doing well, rash improving. She had a separate visit to the ER 8/15/25 for high fever, and on 8/18/25 was diagnosed with Roseola.

Current illness

Viral upper respiratory illness within 1 month prior to vaccination

Medical history

None

Other medications

Vitamin D 400 IU once per day

Allergies

NKDA