Report #2844833

Received Jun 12, 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: Male
Age: 18 yrs
State: CO
Recovered: Unknown
Vaccinated: Jun 12, 2025
Onset: Jun 12, 2025
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPA	HEP A (VAQTA)	MERCK & CO. INC.	1	Y017625	IM / LA
YF	YELLOW FEVER (YF-VAX)	SANOFI PASTEUR	1	UK136AB	SC / LA

Symptoms (1)

Incorrect dose administered

Symptom narrative

Administrator accidentally gave an adult dose of Hepatitis A vaccine to an 18 year old instead of a pediatric dose. Parent was called and notified.