Alerts: Mosquitos | ChathamHealth

MOSQUITO-BORNE ILLNESS

9/2/25: WNV detected in moquitos trapped in Colchester

8/4/25: WNV detected in moquitos trapped in Hebron

About
WNV

West Nile virus (WNV) is the leading cause of mosquito-borne disease in the US.
It is usually spread thorugh the bite an infected mosquito.
Most people infected with WNV do not feel sick.
- About 1 in 5 people who are infected develop a fever and other symptoms
- About 1 out of 150 infected people develop a serious, sometimes fatal, illness.
There are no vaccines to prevent or medicines to treat WNV in people.
Reduce your risk of WNV by preventing mosquito bites.

Eastern equine encephalitis (EEE) is a rare but very serious illness.
- Approximately 30% of people who develop severe EEE die.
- Many survivors have ongoing neurologic problems.
It is usually spread through the bite of an infected mosquito.
There are no vaccines to prevent or medicines to treat eastern equine encephalitis.
Reduce your risk of EEE by preventing mosquito bites.

Take steps to protect yourself and your family from mosquito bites that can make you sick.
- Use Environmental Protection Agency (EPA)-registered insect repellents.
- Wear loose-fitting, long-sleeved shirts and pants.
- Wear clothing and gear treated with permethrin.
- Control mosquitoes indoors and outdoors.