Below is an instruction from Human. Write a response.
    ### Instruction:
    What is the outlook for Kuru ?
    ### Response:
    Similar to other the TSEs, kuru had a long incubation period; it was years or even decades before an infected person showed symptoms. Because kuru mainly affected the cerebellum, which is responsible for coordination, the usual first symptoms were an unsteady gait, tremors, and slurred speech.
    