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Public health officials in Ottawa have reported a case of eastern equine encephalitis (EEE) in a local resident who died in August.
EEE is caused by an alphavirus transmitted by mosquito bite, mainly in marshy and forested areas of the eastern United States and Canada. It is an uncommon infection but some years see increased case numbers. This is the first confirmed case in Ottawa.
Symptoms of EEE include fever, headache, vomiting, diarrhea, seizures, behavioral changes and drowsiness.
About 1 in 3 people who have EEE will die. There is no cure for the infection and only supportive treatment is available.
Travellers to endemic regions who may be engaging in outdoor work or recreational activity should practice rigorous insect bite avoidance at all times to reduce the risk of mosquito-borne infection.
Travellers who develop symptoms of EEE during or after travel should seek medical attention immediately and give details of their travel history.
