Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) ZAP70-related severe combined immunodeficiency ?
    ### Response:
    ZAP70-related severe combined immunodeficiency (SCID) is an inherited disorder that damages the immune system. ZAP70-related SCID is one of several forms of severe combined immunodeficiency, a group of disorders with several genetic causes. Children with SCID lack virtually all immune protection from bacteria, viruses, and fungi.
    