Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Children's interstitial lung disease ?
    ### Response:
    Children's interstitial and diffuse lung disease (chILD) is not a single condition, but a group of rare lung diseases found in infants, children and adolescents that can range from mild to severe.  All types of chILD decrease a child's ability to supply oxygen to their body.
    