West Nile virus weekly surveillance and monitoring

Summary of West Nile virus and other mosquito-borne diseases

Latest analysis: July 12 to July 18, 2020 (Week 29)

  • West Nile virus in Canada:
    • As of July 12, 2020 no human cases have been reported to PHAC.
    • No WNV-positive birds or equines have been reported to PHAC.
    • A total of 5853 mosquito pools were tested for WNV in four provinces: Saskatchewan (4), Manitoba (472), Ontario (4326) and Québec (1051). Of these, no WNV-positive mosquito pools have been reported to PHAC.
  • Other mosquito-borne diseases of interest:
    • No human cases of Eastern Equine Encephalitis virus (EEEV) have been reported to PHAC. 
    • No human cases/exposures of California serogroup (CSG) virus have been reported.

For more information, visit the West Nile virus disease page.

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