Mosquitos are always a nuisance but they can be dangerous too if they carry "Eastern equine encephalitis" or EEE. This virus has been detected in chickens and is now spreading to humans via mosquito bites. So far, there have been on 7 reported cases but the death rate is very high with this mosquito borne virus. To protect yourself against EEE as well as West Nile Virus, be sure to use prevention methods to reduce risk of mosquito bites.
https://www.medicinenet.com/script/main/art.asp?articlekey=223187