Monday, May 11, 2009

Pigs culled at quarantined Alberta farm

Worker who had been in Mexico in April somehow transmitted virus to hogs when changing barn vents
May 11, 2009
DAWN WALTON
Globe and Mail
http://www.theglobeandmail.com//servlet/story/LAC.20090511.FLU11ART2204/TPStory/National/

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