Washtenaw County is now confirmed as an area where Lyme disease can be transmitted. Lyme disease is spread by the bite of an infected blacklegged tick (Ixodes scapularis).
Mosquitoes & Eastern Equine Encephalitis (EEE)
EEE is a rare disease that is caused by a virus spread by infected mosquitoes. EEE virus is one of a group of mosquito-transmitted viruses that can cause inflammation of the brain (encephalitis). In the United States, approximately 5-10 EEE cases are reported annually. Unfortunately, multiple human and animal cases have been reported in in Michigan in 2019.
West Nile virus (WNV) is a mosquito-borne virus that can cause mild illness (West Nile fever) or severe symptoms (encephalitis or meningitis - inflammation of the brain) in humans and other animals. People primarily get West Nile from the bite of an infected mosquito.