During the past 100 years, life expectancy more than doubled in developed countries. In the last few decades, however, 40 new infectious diseases have emerged. New diseases travel the globe with unprecedented rapidity, and older killers, such as the avian flu in the 1918 influenza epidemic, that onc...
|Other Authors:||Pitt, Brad, 1963-|
WGBH Boston Video,
Rx for survival.
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WC 264 B618 2005