Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Ataxia telangiectasia ?
    ### Response:
    What are the signs and symptoms of Ataxia telangiectasia? Ataxia-telangiectasia affects the nervous system, immune system, and other body systems. This disorder is characterized by progressive difficulty with coordinating movements (ataxia) beginning in early childhood, usually before age 5.
    