Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Parasites - American Trypanosomiasis (also known as Chagas Disease)? ?
    ### Response:
    Chagas disease, or American trypanosomiasis, is caused by the parasite Trypanosoma cruzi. Infection is most commonly acquired through contact with the feces of an infected triatomine bug (or "kissing bug"), a blood-sucking insect that feeds on humans and animals.
    