Report #2886467

Received Feb 23, 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: Unknown
Age: Age unknown
State: —
Recovered: Unknown
Vaccinated: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (MODERNA))	MODERNA	1	3052859	IM / RA

Symptoms (1)

Underdose

Symptom narrative

Vaccine administration error: patient received a 0.25 mL dose of COVID-19 vaccine indicated for ages 6m-11y, instead of the 0.5 mL dose indicated for her age of 12y.