Below is an instruction from Human. Write a response.
    ### Instruction:
    what are the signs and symptoms of rabies?
    ### Response:
    The first symptoms of rabies may be very similar to those of the flu including general weakness or discomfort, fever, or headache. These symptoms may last for days.
                
There may be also discomfort or a prickling or itching sensation at the site of bite, progressing within days to symptoms of cerebral dysfunction, anxiety, confusion, agitation.
    