Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent Parasites - Scabies ?
    ### Response:
    When a person is infested with scabies mites the first time, symptoms may not appear for up to two months after being infested. However, an infested person can transmit scabies, even if they do not have symptoms. Scabies usually is passed by direct, prolonged skin-to-skin contact with an infested person.
    