Report #2865740

Received Oct 14, 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: 84 yrs
State: CA
Recovered: Unknown
Vaccinated: Oct 8, 2025
Onset: Oct 8, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (MODERNA))	MODERNA	UNK	3052579	IM / LA

Symptoms (1)

Underdose

Symptom narrative

patient received 2025-2026 COVID 19 MODERNA SPIKEVAX 6mo-11yo 0.25 mL instead of COVID 19 MODERNA SPIKEVAX 12+ 0.5 mL.

Current illness

unknown

Medical history

unknown

Other medications

unknown

Allergies

eggs

Lab data

none