POLO, Ill. (WTVO) — The Ogle County Health Department has confirmed the first positive mosquito pool for the West Nile virus.
A pool of mosquitoes near Polo tested positive for the virus.
According to the Ogle County Health Department: West Nile virus is transmitted through the bite of a Culex mosquitoes, commonly called a house mosquito, which has picked up the virus by feeding on an infected bird.
Common symptoms include fever, nausea, headache and muscle aches.
Symptoms may last from a few days to a few weeks. However, four out of five people infected with West Nile virus will not show any symptoms.
In rare cases, severe illness including meningitis or encephalitis, or even death, can occur.
People older than 50 and individuals with weakened immune systems are at higher risk for severe illness from West Nile virus.