Word: legionella
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...elusive that it took months for scientists to identify it after it struck at an American Legion convention in Philadelphia in 1976. Now, it turns out, the bacterium Legionella pneumophila is even tricker than anyone suspected. Researchers Marcus Horwitz and Samuel Silverstein of Manhattan's Rockefeller University have found that it belongs to a select group of bacteria that evade the body's immune system by turning it to their own advantage. Like the microbes that cause tuberculosis and leprosy, the bug is what scientists dub an intracellular pathogen. It invades white blood cells called monocytes, which normally...
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