Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Chapare Hemorrhagic Fever (CHHF)? ?
    ### Response:
    Like all arenaviruses, Chapare virus has a rodent host as its reservoir. Humans can contract CHHF through contact with an infected rodent. Contact can be direct or through inhalation of aerosolized Chapare virus from the urine or feces of infected rodents. 

    