The Massachusetts Department of Public Health said in an announcement Tuesday the Massachusetts State Public Health Laboratory confirmed the virus in a mosquito sample that was taken from Weymouth on June 20.
Certain mosquito species carry the West Nile virus, which can cause humans to contract West Nile encephalitis, an infection that can result in an inflammation of the brain. Bugs collected in Cove Point and Lamb Avenue area tested positive for Eastern Equine Encephalitis.
Manitoba Health has found mosquitoes infected with West Nile virus for the first time this season. Some predatory birds become infected after eating sick or dead birds that were already infected with the virus.
To get a free Mosquito Dunk, you must be 18 years or older, have proof of residence in the City of Suffolk, show proper picture identification and sign the information sheet at the pick-up location.
"No vaccine or specific antiviral treatments for West Nile virus infection are available", the CDC website states.
Mosquitoes transmit the disease to humans by biting an infected bird, and then biting a human.
Three residents were diagnosed and hospitalized due to West Nile infections a year ago.
Mosquitoes that tested positive for West Nile Virus were found in the Riverview, North Street and Dumville Lanes areas of Suffolk.
Most people infected show no symptoms.
Symptoms of West Nile include fever, headache, body aches, joint pains, vomiting, diarrhea or rash. Most people have very mild disease.
Wear shoes, socks, long trousers, and a long-sleeved shirt when outdoors for long periods of time, or when mosquitoes are more active.
Eliminating standing water where mosquitoes can breed, such as in buckets, flower pots, bird baths, toys or wading pools.