Is the Babesiosis parasite found in Canada?
The ticks that can carry the Babesia parasite are found in Canada, but so far surveys of these ticks have found very few that are infected with these parasites. In the northeastern and midwestern United States, cases of Babesiosis are fairly common. There have been more than 150 cases of transfusion transmission to blood recipients reported in the U.S.
In 2013, we conducted a study to understand what risk Babesia might cause to the blood supply in Canada. We tested samples from 14,000 blood donors in Canada. At that time we concluded there to be a very low risk to the Canadian blood supply because the study found no positive donors.