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Lecture 9

Lecture 9 - Fall 2010

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University of Toronto Scarborough
Mark Hunter

GGRB28 Lecture 9 Bird FluSwine Flu Background Flu has long been a killer, and the 1918 outbreak killed approximately 40 million (Spanish Flu), spreading in 1 year The first big flu epidemic took place in the middle of the first World War, Spain was not involved in the war, thus the first time the flu was talked about was in the Spanish newspapers and was called Spanish flu The natural home of flu is in waterfowl and swine (e.g. ducks, geese, swans, pigs) All flu is spread by either birds or swine Bird flu crisis began in 1997, when new bird flu strain (H5N1) was discovered in Hong Kong H5N1 was a strand of flu that humans were not immune to and it was deadly We didnt have any protection against it Understanding bird flu Bird Flu Progression It was transmitted from bird to human but never from human to human For it to go to human to human it would have to mix w
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