The CDC says that a third of patients infected with EEE die from the brain-infecting virus and there is no human vaccine against the virus.
It's among six states with reported cases this year including: Massachusetts, Michigan, New Jersey, North Carolina and Tennessee.
It is fatal for about 30% of the people who get it and numerous survivors have ongoing neurological problems, according to the Centers for Disease Control and Prevention.
On Oct. 1, CT health officials announced that a person in their 60s had died from EEE, the state's third such death this year; another person in the state remains hospitalized due to EEE, officials said. CT is one of several states reporting human cases and deaths.
"Sadly, this has been an unprecedented year for EEE activity in CT", said Cartter. "Nothing quite like this has been observed before where EEE has become so widespread", Gettman said.
"We all want to know in this very unusual year, how much of EEE is out there".
Authorities around the world are using aerial spraying in areas found to have infected mosquitos in an attempt to halt the spread of the diseases, but that is only part of a wider solution. At the time of publication, this is the most recent map available.
The Quinnipiack Valley Health District recommended the decision, officials said in the release. The species of mosquito feeds nearly exclusively on birds.More news: Vikings Have No Plans To Trade Stefon Diggs
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Triple E is a rare virus transmitted by mosquitoes. The results tell state officials about next steps on how to combat the disease.
"We really can't predict it's going to be a bad summer", Ayars said.
One of the reasons for the sudden upswing in mosquito-borne illnesses could be climate change.
The best and simplest way to prevent EEE is to prevent mosquito bites by wearing insect repellent on skin and clothes; maintaining screens on doors and windows to keep mosquitoes out of indoor spaces; and avoiding letting water collect in places like flower pots, buckets and barrels, since mosquitos are drawn to standing water.
Cover up: Wear long-sleeved shirts and long trousers.
"We continue to emphasize the need for people to protect themselves from mosquito bites", state epidemiologist Catherine Brown said in a statement released by the Department of Public Health.
The CDC has more tips and guidance for families on its website.