Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Stenotrophomonas maltophilia infection ?
    ### Response:
    What causes Stenotrophomonas maltophilia infection? Stenotrophomonas maltophilia (S. maltophilia) infections are caused by the S. maltophilia bacteria. These bacteria live in various aquatic (water-based) environments. In a hospital setting, they are able to survive and multiply in fluids such as respiratory secretions, urine, and intravenous (IV) fluids.
    