Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent Parasites - Lice - Pubic "Crab" Lice ?
    ### Response:
    Pubic ("crab") lice most commonly are spread directly from person to person by sexual contact. Pubic lice very rarely may be spread by clothing, bedding, or a toilet seat.
    
The following are steps that can be taken to help prevent and control the spread of pubic ("crab") lice:

    