Human Illness from Avian Influenza H7N3, British Columbia
S. Aleina Tweed* , Danuta M. Skowronski*, Samara T. David†, Andrew Larder‡, Martin Petric*, Wayne Lees§, Yan Li¶, Jacqueline Katz#, Mel Krajden*, Raymond Tellier**, Christine Halpert‡, Martin Hirst††, Caroline Astell††, David Lawrence*, and Annie Mak*
Author affiliations: *British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada; †Health Canada Field Epidemiology Training Program, Ottawa, Ontario, Canada; ‡Fraser Health Authority, Abbotsford, British Columbia, Canada; §Canadian Food Inspection Agency, Ottawa, Ontario, Canada; ¶National Microbiology Laboratory, Winnipeg, Manitoba, Canada; #Centers for Disease Control and Prevention, Atlanta, Georgia, USA; **Hospital for Sick Children, Toronto, Ontario, Canada; ††British Columbia Cancer Agency Genome Sciences Centre, Vancouver, British Columbia, Canada
Figure. Onset of symptoms for suspected and confirmed cases in humans and identification of infected commercial poultry flocks, highly pathogenic avian influenza H7N3, British Columbia, 2004. Date for poultry flock is either the date the flock was suspected to be infected (because of clinical illness) or the date the sample was taken as part of surveillance.
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