Vector-Borne and Zoonotic Diseases

Explore the emergence, epidemiology, and clinical presentation of Oropouche virus disease, along with virology and laboratory diagnostics.

Map provides provincial picture of where there are established blacklegged tick populations, the tick vector responsible for four Diseases of Public Health Significance: anaplasmosis, babesiosis, Lyme disease and Powassan virus infection.

Along with Lyme disease, blacklegged ticks can transmit anaplasmosis, babesiosis and Powassan virus. This summary describes the epidemiology of these three tick-borne diseases in 2023 and where cases were exposed in Ontario.