No need to panic after potential Zika-carrying mosquito larvae found in Windsor, health unit says

Aedes aegypti mosquitoes

The Windsor Essex County Health Unit reports finding larvae for the Aedes aegypti mosquito, which is responsible for most instances of human cases of Zika virus. (James Gathany/CDC/Associated Press)

The Windsor Essex County Health Unit reports three Aedes aegypti mosquito larvae found in the area tested negative for the Zika virus.

The larvae were found during surveillance after adult Aedes albopictus mosquitoes were found in the region in September.

Aedes aegypti — known as the yellow fever mosquito — is responsible for most of the human cases of Zika discovered in the Caribbean, South America and Florida.

Residents should not be concerned with this discovery and do not need to get tested for the virus, said Dr. Gary Kirk, the chief medical officer of health for the Windsor Essex County Health Unit. 

Kirk said it isn’t clear how the mosquito eggs came into the region, but that they likely came from a shipping container. 

It’s believed this is the first time the larvae for Aedes aegypti has been found in Canada. It is even less cold-tolerant than the Aedes albopictus mosquito and will not survive the cold winter temperatures, the health unit says.  

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