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Vector-Borne and Zoonotic Diseases

Vector-Borne and Zoonotic Diseases

Vector-borne and zoonotic diseases are caused by viruses, bacteria or parasites that are transmitted to humans from animals or insects. Some diseases that originate in animals must be transmitted through a “vector” (e.g., mosquito, tick) in order to infect a human.

We provide public health workers with expertise, support and resources for preventing and controlling vector-borne and zoonotic diseases.

Featured

Focus On

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

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Published 2 April 2025

Surveillance Report

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.

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Published 3 May 2024

Summary Report

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.

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Published 3 May 2024

Anaplasmosis

Anthrax

Avian Influenza

Babesiosis

Brucellosis

Echinococcus multilocularis

Hantavirus Pulmonary Syndrome

Lyme Disease

Malaria

Mpox

Plague

Powassan Virus

Psittacosis (Parrot Fever, Ornithosis)

Q Fever (Query fever)

Rabies

Seoul Virus Infection

Tularemia

Viral Hemorrhagic Fevers

West Nile Virus

Yellow Fever

Zika Virus
Event

PHO Rounds: The SickKids Immunization InfoLine

This PHO Rounds session will review the development and implementation of the InfoLine, provide an overview of the calls received to date—including call volume and common inquiries—and share key insights gained from the experience.

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Updated 13 Dec 2024
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