A dead crow found in Guelph has tested positive for the West Nile virus.

Wellington-Dufferin-Guelph Public Health said Wednesday there are currently no human cases, but the presence of the virus in the crow shows it's circulating and transmission is possible.

The virus is transmitted through the bite of an infected mosquito.

"While the risk of severe illness is low, we encourage everyone to take simple precautions to prevent mosquito bites," associate medical officer Dr. Matthew Tenenbaum said in …