Use the material you learned in Virus Profiles to determine what disease we've got here, and decipher how it was contracted.

You see him lying there wreaked by spasms. A bit of saliva rolls down the side of his mouth. You can also tell he's having trouble swallowing.

Dr. Begely: This is definitely a case of rabies. He has the traditional foaming from the mouth. Ok, so not exactly "foaming" but close enough. He also has a fever.
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Dr. Shelly: Hum… it would seem to be rabies… but I say we find out more about this person's history. Dogs foam, not necessarily humans. We need to find out if he was bitten or not.
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Well, it looks like there a definite difference of opinion between our doctors. They need to make a wise decision, can you help them out? Who do you agree with?

 I agree with Doc Begely. Let's call it off as rabies.

 Doc Shelly's got the right idea. Let's ask the family if he had any contact with animals.