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This is the first time the virus has been detected in the state this year.
Mosquitoes carry the West Nile virus and spread to humans through bites from infected mosquitoes. Rick Bowmer
Mosquito-borne disease Eastern bulbar encephalitis It was detected in Massachusetts for the first time this year, state health officials announced Wednesday.
The virus was detected in mosquito samples collected in Belchertown, Ministry of Public Health on July 21. I said.
In a statement, Public Health Secretary Robbie Goldstein said the positive tests are a reminder to adopt measures to protect themselves after being bitten by mosquitoes this season.
“This is around the time when we are expected to find EEE in Massachusetts mosquitoes, especially after last year’s active EEE season in four human cases last year,” Goldstein said. “This is the first discovery, and mosquito surveillance is key to tracking areas of increased risk.”
EEE is a rare, yet serious, potentially fatal infection without treatment. The virus spreads to humans through the bites of infected mosquitoes. It can cause swelling of the brain, fever, and coma. Kill about a third of those who have contracted it. Survivors may face severe neurological disorders and complications.
there were Four human cases EEE and one person died at last year’s Mass. Last year, four horses were also infected.
No human or animal cases were detected in 2025, according to the state.
“Massachusetts’ EEE activity tends to occur during the outbreak cycle,” state epidemiologist Katherine Brown said in a statement. “If EEE is detected by mosquitoes at this point in the season, the risk can increase throughout the rest of the summer.”
Authorities are urging residents to take precautions, such as using insect repellents and covering naked skin to prevent bites. Residents can also stand around the facility to drain water and install or repair screens to reduce the risk of bites.
The peak chewing times for mosquitoes are from dusk to dawn, officials said.
“Please consider rescheduling outdoor activities that occur in the evening or early morning in high-risk areas,” authorities said.
Residents can view the state map Track risk Determine the risk of EEE in your area due to mosquito-borne diseases in Massachusetts.
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