How does rabies affect humans?



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    Rabies, usually transmitted by the bite of an infected animal, affects the central nervous system of humans. Without proper prevention, the disease is fatal. The virus travels through the nervous system and eventually reaches the brain, which becomes inflamed. Irritability, headache, fever, itching, and pain are some of the early symptoms of the rabies virus. Eventually though, the disease progresses to paralysis, muscle spasms of the throat, convulsions, and delirium. Typically, there is a 2 to 12 week period between the time of exposure and appearance of symptoms. Vaccinations can prevent the disease from progressing before symptoms appear, but once they do, nothing can be done.

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