Report #2859625

Received Sep 18, 2025

Office visit

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: 3 yrs
State: CO
Recovered: Unknown
Vaccinated: Sep 1, 2025
Onset: Sep 1, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
FLU3	INFLUENZA (SEASONAL) (FLUBLOK)	SANOFI PASTEUR	UNK	—	—

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

Child given wrong formulation if influenza vaccine, Flublok

Current illness

None known

Medical history

None known

Other medications

I received a call from community healthcare provider, as I am a consulting infectious disease physician. Patient inadvertently was given Flublok vaccine by pharmacy. Received wrong formulation for age.

Allergies

None known