Report #2873382

Received Nov 18, 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: 1.3 yrs
State: MA
Recovered: Recovered
Vaccinated: Oct 31, 2025
Onset: Oct 31, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
UNK	VACCINE NOT SPECIFIED (NO BRAND NAME)	UNKNOWN MANUFACTURER	4	UK306AA	IM / OT

Symptoms (1)

Product preparation error

Symptom narrative

The dose is invalid because of use of the wrong diluent. Was diluted with lyophilized powder with sterile water, not normal saline