Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Crimean-Congo Hemorrhagic Fever (CCHF) ?
    ### Response:
    The onset of CCHF is sudden, with initial signs and symptoms including headache, high fever, back pain, joint pain, stomach pain, and vomiting. Red eyes, a flushed face, a red throat, and petechiae (red spots) on the palate are common. Symptoms may also include jaundice, and in severe cases, changes in mood and sensory perception.
    