Traumatic Reticuloperitonitis in a White-tailed Deer
On June 7th a white-tailed deer was found stumbling around and convulsing in a Toronto Cemetery. She unfortunately passed away…
West Nile Virus Makes an Early Appearance in Wild Birds in Ontario this Year
The 2024 West Nile virus (WNV) season has officially started at CWHC Ontario. We detected 3 cases of WNV in…
RHDV2 surveillance in Ontario
Rabbit hemorrhagic disease is a fatal disease, caused by rabbit hemorrhagic disease virus 2 (RHDV2), that can affect both wild…
CWHC ON/NU Welcomes New Communications Coordinator
My name is Jenna Matsuba and I am the new Communications Coordinator for the Ontario/ Nunavut region of the CWHC.…
Winter Mortality of American Crows: Orthoreovirus in Ontario
In late November of 2022, CWHC began receiving calls from the Chatham-Kent region regarding an alarming number of dead crows,…
Echinococcus multilocularis detected for the second time in an Eastern Chipmunk in Ontario
In October of 2022, an eastern chipmunk from Port Perry was brought to a local wildlife rehabilitation centre. The small…
Anticoagulant Rodenticide Toxicity in Wildlife Predators
With all the news about avian influenza over the past few months, it is sometimes easy to forget that our…
Raptors and Rodenticides
The conclusion of a research project is always exciting, not only because we can finally share the results of our…
Influenza A (H5N1) virus detected in Wild Foxes (Vulpes vulpes) in Ontario
Working with our partners at the Canadian Food Inspection Agency (CFIA) and the Animal Health Laboratory, the CWHC ON/NU diagnosed…
Highly Pathogenic Avian Influenza in Wild Birds in Ontario – CWHC ON/NU Update April 10, 2022
Since the first confirmed report of highly pathogenic avian influenza (HPAIV) in a red-tailed hawk in Ontario on March 21,…