Canada has become a high-risk zone for a lesser known but dangerous tick-borne illness as blacklegged ticks continue to expand north from the United States, researchers say.
Lyme disease remains the No. 1 tick-related risk for people exploring nature, but health officials are now warning about the spread in Canada of another tick-borne condition, called anaplasmosis, that attacks white blood cells.
An article published in the Canadian Medical Association Journal (CMAJ) on July 13 says that experts are worried about the growing incidence of anaplasmosis, which is now the second most common tick-borne disease in Canada.
The report offered no national statistics on anaplasmosis cases, but researchers said there has been a marked increase in Quebec and Manitoba….