Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Lujo Hemorrhagic Fever (LUHF)? ?
    ### Response:
    Lujo hemorrhagic fever (LUHF) occurs in southern Africa. The initial case was certainly infected in Zambia. 
   Field workers 
   
Field workers are at greatest risk because of increased human contact with the reservoir rodent population. Sexual partners of field workers may be at greater risk as well.
    