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Volume 10, Number 12—December 2004

Dispatch

Human Illness from Avian Influenza H7N3, British Columbia

S. Aleina Tweed*Comments to Author , 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

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Table 2

Clinical profile of suspected and confirmed infections of avian influenza H7N3 in humans, Canada

Symptoms Cases (%) (N = 57)
Conjunctivitis
  Red eye 12 (21)a
  Tearful eye 6 (11)a
  Itching eye 13 (23)a
  Painful eye 4 (7)
  Burning eye 7 (12)
  Discharge from eye 4 (7)a
  Photophobia 5 (9)
ILI symptomsb
  Fever 17 (30)
  Cough 42 (74)
  Coryza 35 (61)a
  Sore throat 39 (68)
  Myalgia 26 (46)
  Arthralgia 16 (28)
  Fatigue 22 (39)
  Diarrhea 11 (19)
  Chills 16 (28)
  Headache 28 (49)a
  Other symptoms 12 (21)

aIncludes confirmed A/H7N3 cases.
bILI, Influenzalike illness.

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