That brings to seven the number of confirmed cases this year.
The most recent infections are in southern Alberta women — both under the age of 65 — who appear to have contracted the mosquito-borne virus in the province.
One is the potentially fatal neurological syndrome and one is not.
Dr. Gerry Predy, senior medical health officer, says people should still be taking precautions against mosquito bites even in the last days of summer.
As of Sept. 1, the Public Health Agency of Canada reported 162 cases of West Nile infection in the country this year.
There were 102 cases reported in 2011.