Report #2877057

Received Dec 9, 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: Male
Age: 12 yrs
State: AZ
Recovered: Unknown
Vaccinated: Dec 2, 2025
Onset: Dec 2, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (MODERNA))	MODERNA	1	3052995	IM / LA

Symptoms (1)

Underdose

Symptom narrative

Patient was administered a lower dose amount than needed for Covid-19 Spikevax 2025-2026 vaccine. Patient received .25ml instead of .5ml

Current illness

N/A

Medical history

N/A

Other medications

N/A

Allergies

NKDA

Lab data

N/A