Audio Qbank – HY USMLE Q #537 – Infectious disease

A 9-year-old boy who was adopted from the Ivory Coast is brought to the pediatrician for an initial examination. He has had declining vision for the past 2 months. Vitals are within normal limits. He has a non-tender black nodule on his right knee. Biopsy of the lesion shows microfilariae. Which of the following is the most likely vector for this patient’s infection?

Black fly
Female mosquito
Mango fly
Reduviid bug
Sandfly
Tsetse fly