Ottawa resident who died last month had rare mosquito-borne virus - Action News
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Ottawa

Ottawa resident who died last month had rare mosquito-borne virus

Ottawa Public Health says a resident who died in August of brain inflammation had the eastern equine encephalitis virus,a mosquito-borne disease that's rarely spread to humans.

Public health unit confirms city's first known human case of eastern equine encephalitis

Rare mosquito-borne virus with no cure and no vaccine now confirmed in Canada

30 days ago
Duration 2:04
Public health officials have now confirmed an Ottawa resident died last month after being infected with the mosquito-borne eastern equine encephalitis (EEE) virus which has no cure or vaccine. Its the first known case in Canada in years.

Ottawa Public Health (OPH) says a residentwho died in August of brain inflammation had the eastern equine encephalitis (EEE)virus,a mosquito-borne disease that's rarely spread to humans.

Like the West Nile virus, EEE is typically transmitted between wild birds and mosquitoes, according to OPH. It sometimes infects horses, hence its name,but is seldom passed on to people.

Last month, OPH said there had only been three confirmed human cases in Ontario. As recently as Monday, Health Canadareported no EEEinfections in humans.

This is the first confirmed human case of EEE in Ottawa, OPH said.

On Thursday, OPHsaid the persondied last month of aviral encephalitis,or brain inflammation. Alaboratoryconfirmed they'd been infected withEEEbased on the antibodies found in a test.

OPH said in a followup email to CBCit couldn't share any more information about the victim but has determined "local exposure in Ottawa was a strong possibility."

A second horse in Ottawa has tested positive for the virus, it said, and the EEE virushad also been found in a mosquito pool.

Risks from mosquitoes until heavy frost

Early EEE symptoms can include fever, headaches and vomiting, according to Health Canada. Symptomscan progress to brain damage, coma and death.

There is a vaccine for horses but not for humans.

OPH said the best protection against EEE is to prevent mosquito bites by using repellant, wearing loose-fitting but tightly woven clothes to limit exposed skin, and making sure window and door screens are in good condition.

The risks from bites will continue until the first heavy frost of fall, especially at night and near bushy or wooded areas.

With files from Andrew Foote