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Diseases Spread by Insects

  • In Peel, approximately one to six cases of malaria per 100,000 population have been reported each year, with the exception of 1996 and 1997 which had a dramatic increase in incidence (16.4 and 15.6 cases per 100,000 respectively) possibly due to travel to and immigration from the Punjab, India which was experiencing a malaria outbreak.59 Ontario and Canada experienced a similar increase, however the increased incidence was much higher in Peel compared to either Ontario or Canada.60

  • In 2003, there were 10 residents of Peel who had laboratory evidence of West Nile Virus (WNV) infection stemming from the 2003 mosquito season. Nine of these had confirmed diagnoses of West Nile Fever and one had a diagnosis of West Nile Neurological Manifestations. There were no deaths due to WNV in 2003. While case definitions and laboratory testing methods differed between 2002 and 2003, these results are still much lower than the 112 residents with laboratory evidence of WNV identified in 2002, 37 of whom were confirmed and 20 classified as probable WNV infections.
  Chapter Six - Diseases Spread by Insects (PDF file 36 KB, 3 pages)

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