Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent Parasites - American Trypanosomiasis (also known as Chagas Disease) ?
    ### Response:
    In endemic areas of Mexico, Central America, and South America improved housing and spraying insecticide inside housing to eliminate triatomine bugs has significantly decreased the spread of Chagas disease. Further, screening of blood donations for Chagas is another important public health tool in helping to prevent transfusion-acquired disease.
    