Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Histoplasmosis ?
    ### Response:
    Histoplasmosis is a disease caused by a fungus (or mold) called Histoplasma. The fungus is common in the eastern and central United States. It grows in soil and material contaminated with bat or bird droppings. You get infected by breathing the fungal spores.
    