Report #2863591

Received Oct 6, 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: 20 yrs
State: CA
Recovered: Recovered
Vaccinated: Oct 3, 2025
Onset: Oct 3, 2025
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
JEV1	JAPANESE ENCEPHALITIS (IXIARO)	INTERCELL AG	1	—	IM
YF	YELLOW FEVER (YF-VAX)	SANOFI PASTEUR	1	—	SC

Symptoms (2)

No adverse eventProduct preparation error

Symptom narrative

Yellow Fever vaccine (YF-Vax) reconstituted with sterile water diluent vs sodium chloride that was included with the vaccine. Per manufacturer, dose invalid and repeat needed for a valid dose not to be given any sooner than 28 days from previous dose. Consulted with patient and no adverse reactions reported. Scheduled repeat vaccine greater than 28 days apart from last dose of YF-Vax

Lab data

Prior vaccinations

Feelings faint and lightheaded