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Global warming: enough to make you sick
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| Contributor | ArmyDem |
| Last Edited | ArmyDem Feb 25, 2007 11:53am |
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| Category | News |
| Media | Newspaper - Los Angeles Times |
| News Date | Sunday, February 25, 2007 05:00:00 PM UTC0:0 |
| Description | Rising temperatures are redistributing bacteria, insects and plants, exposing people to diseases they'd never encountered before.
By Jia-Rui Chong, Times Staff Writer
February 25, 2007
CORDOVA, ALASKA — Oysterman Jim Aguiar had never had to deal with the bacterium Vibrio parahaemolyticus in his 25 years working the frigid waters of Prince William Sound.
The dangerous microbe infected seafood in warmer waters, like the Gulf of Mexico. Alaska was way too cold.
But the sound was gradually warming. By summer 2004, the temperature had risen just enough to poke above the crucial 59-degree mark. Cruise ship passengers who had eaten local oysters were soon coming down with diarrhea, cramping and vomiting — the first cases of Vibrio food poisoning in Alaska that anyone could remember.
"We were slapped from left field," said Aguiar, who shut down his oyster farm that year along with a few others.
As scientists later determined, the culprit was not just the bacterium, but the warming that allowed it to proliferate.
"This was probably the best example to date of how global climate change is changing the importation of infectious diseases," said Dr. Joe McLaughlin, acting chief of epidemiology at the Alaska Division of Public Health, who published a study on the outbreak.
The spread of human disease has become one of the most worrisome subplots in the story of global warming. Incremental temperature changes have begun to redraw the distribution of bacteria, insects and plants, exposing new populations to diseases that they have never seen before. |
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