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Report #2890823

Received Mar 25, 2026

Life-threateningER / ED visitOffice visit
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
CA
Recovered
Recovered
Vaccinated
Mar 13, 2026
Onset
Mar 20, 2026
Days to onset
7
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.1SYR / LG

Symptoms (4)

Influenza A virus test negativeInfluenza B virus test negativePyrexiaSARS-CoV-2 test negative

Symptom narrative

Exactly a week later she had a severe fever that was difficult to control. Sometimes exceeding 104 F. Urgent care couldn?t lower her temp without putting her on a Tylenol and Motrin plan (grouped 1 hour apart) at 6 hour intervals.

Current illness

She had Covid about a month prior. But was fine weeks prior to receiving the MMR vaccine.

Medical history

None.

Other medications

None.

Allergies

Maybe cow milk.

Lab data

She was negative for flu a and b and Covid. They didn?t test for anything else and refused to acknowledge that the MMR vax could be the cause.