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The History Of Smallpox天花的历史（双语） In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co
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Mary Morningstar Cross Canadian Ragweed formed in 1994, and spent the next eight years building a regional fan base in the southwestern U.S. The Oklahoma-based band released four albums on its own lab
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in a few minutes, getting back to business in New Orleans, but first to international business. A Chinese bid to buy the US oil company Unocal earlier this year caused quite a stir. Some people questioned the wisdom of letting foreigners control an A
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Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att
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