The ‘detective work’ behind tracking legionella, Quebec’s silent killer

Eric Labbe/Le Soleil

ANNA MEHLER PAPERNY

Sept. 1, 2012 – Globe and Mail

The trickiest thing about legionella, the deadly bacterium that has killed nine people in Quebec City and sickened 158, is that it could be anywhere.

It’s entirely possible there’s a species in your nasal passages right now. Chances are you’ll be fine.

But for the very old, the very young, smokers or people with battered immune systems, inhaled bacteria can cause severe pneumonia that can kill up to a third of those it infects.

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