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Report #2886378

Received Feb 22, 2026

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
Age unknown
State
MA
Recovered
Not recovered
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
YFYELLOW FEVER (YF-VAX)SANOFI PASTEURUNKUK217AAOT

Symptoms (1)

Erythema

Symptom narrative

there's a good amount of redness on the arm; Initial information received on 19-Feb-2026 regarding an unsolicited valid non-serious case received from a other health professional. This case involves an unknown age female patient who had redness as well that dissipated quickly after receiving YELLOW FEVER VACCINE - [YF-VAX]. The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. On an unknown date, the patient received an unknown dose of suspect YELLOW FEVER VACCINE - Solution for injection (lot UK217AA and expiry date- 30-APR-2026) (strength-unknown) via unknown route in unknown administration site for Immunization. On an unknown date the patient developed had redness as well that dissipated quickly (vaccination site erythema) (unknown latency). It was reported "The husband of this patient had redness as well that dissipated quickly. It lasted 1 day or 2 days and it dissipated on its own. He was administered with YF-VAX the same time as his wife". Action taken was not applicable. It was not reported if the patient received a corrective treatment for the event. At time of reporting, the outcome was Recovered / Resolved on an unknown date for the event.