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To: r9etb
One guy shows up and passes the disease on to a ground sloth. The ground sloth takes it back to his den and infects his mate and any other ground sloths. They, in turn, infect yet other ground sloths.

Maybe the disease can be carried by a native North American bird that pecks at dung piles dropped by giant ground sloths. The bird then passes the disease to other giant ground sloths, and eventually they all get the disease.

I know it's difficult to think about such a complex process as a multi-species epidemic, but it happens. The best studied system involves human beings, pigs and birds, all living in China. They pass influenza back and forth, species to species, and every now and then create killer flu.

Re-read the entire article - slowly this time!

39 posted on 06/05/2002 5:45:22 PM PDT by muawiyah
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To: muawiyah
Again, please show us an example of where a disease has caused a species to go extinct.
41 posted on 06/05/2002 5:49:30 PM PDT by Vast Buffalo Wing Conspiracy
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To: muawiyah
I know it's difficult to think about such a complex process as a multi-species epidemic, but it happens. The best studied system involves human beings, pigs and birds, all living in China. They pass influenza back and forth, species to species, and every now and then create killer flu.

Yes, this is the perfect example which does not apply to the theory in question. Humans in China live in very densely populated areas, close together with their domesticated animals, and this fact allows them to pass diseases to each other. This does not apply to animals living in the wild, animals who also are too spread apart and thinly populated to quickly pass a disease, and thus create a contagion within their own species, assuming they are even capable of being infected by the cross-species disease in question. It's a very weak theory. And again, where is the species made extinct by a disease?

42 posted on 06/05/2002 5:54:47 PM PDT by Vast Buffalo Wing Conspiracy
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