Report #2860778

Received Sep 23, 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: 18 yrs
State: CO
Recovered: Recovered
Vaccinated: Sep 16, 2025
Onset: Sep 16, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
FLU3	INFLUENZA (SEASONAL) (FLUZONE)	SANOFI PASTEUR	UNK	UT8779KA	IM / LA

Symptoms (6)

Blood testHemiparesisHypoaesthesiaInjection site painMagnetic resonance imagingParaesthesia

Symptom narrative

2 Hours after receiving Flu vaccine (Approximately at 1400) patient initially experienced soreness at the site of the injection, followed by numbness and tingling to their left side, then weakness set in from the neck to their lower extremities on the left side of their body. At 1800 the patient sought treatment in the emergency department at (name withheld) Hospital. An MRI was conducted which ruled out a Stroke. Pt. was admitted to the hospital for observation and was discharged on 9/17/25 with an unknown diagnosis possible Auto immune disorder.

Current illness

None

Medical history

Possible Auto immune disorder

Other medications

Birth Control Pill PO Daily

Allergies

None

Lab data

MRI, Blood test to rule out electrolyte deficiency