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
29 yrs
State
MN
Recovered
Unknown
Vaccinated
Mar 4, 2026
Onset
Mar 4, 2026
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
MMR
MEASLES + MUMPS + RUBELLA (MMR II)
MERCK & CO. INC.
3
Y020518
IM / LA
Symptoms (2)
No adverse eventWrong product administered
Symptom narrative
Administered MMR vaccine rather than the needed Hepatitis B booster vaccine. No reported adverse effect