Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Hypersensitivity Pneumonitis ?
    ### Response:
    Signs and symptoms of hypersensitivity pneumonitis (HP) depend on whether the disease is acute (short-term) or chronic (ongoing).
                
Acute Hypersensitivity Pneumonitis
                
With acute HP, symptoms usually occur within 29 hours of exposure to an antigen you're sensitive to.
    