What is a surprisingly rare disease?
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Discovery Health answered:Believe it or not, smallpox, which has killed millions of people, is a rare disease. That's because in order to catch smallpox today, you would probably have to do it in a laboratory. The last naturally occurring case of the smallpox happened in 1977. Since then, just a few laboratory accidents have caused infections.
Believe it or not, smallpox, which has killed millions of people, is a rare disease. That's because in order to catch smallpox today, you would probably have to do it in a laboratory. The last naturally occurring case of the smallpox happened in... More
