Report #2887242

Received Feb 28, 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: Male
Age: 4 yrs
State: —
Recovered: Unknown
Vaccinated: Feb 24, 2026
Onset: Feb 24, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (MODERNA))	MODERNA	1	—	—

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

Patient received Moderna COVID-19 vaccine (25 mcg, 6 months?11 years formulation) . After administration, it was identified that the vaccine had been administered after the beyond-use (?Do Not Use After?) date of 02/20/2026. No adverse clinical reaction has been reported. Patient is clinically stable with no signs or symptoms following vaccination. Per CDC guidance, repeat vaccination is recommended. Parent/guardian has been notified and revaccination is being arranged.