The health department says that July through September is the peak season for West Nile Virus.
The West Nile virus is transmitted to humans by mosquitoes that have bitten infected birds.
The easiest and best way to avoid West Nile virus, Zika virus or other mosquito-borne disease is to prevent them from biting.
Past year there were 155 cases across the state.
Previous year the city began increasing the number of sites that were tested for West Nile virus in an effort to better control the mosquito population in Frisco.
No human cases have been reported to Niagara Region Public Health yet, but residents across the region are being urged to take necessary precautions to reduce the risk. A person bitten by an infected mosquito might show symptoms within 3 to 15 days.
There have already been two human cases of the virus in IL this year.
Make sure screens in windows and doors are tight-fitting and free from defect. Most people with this type of West Nile virus recover completely, but fatigue and weakness can last for weeks or months.
Those with more severe illness may experience stiff neck, nausea, difficulty swallowing, vomiting, and lack of co-ordination or paralysis.
The Department of Health Services has monitored the spread of West Nile virus since 2001 among wild birds, horses, mosquitoes and people. "West Nile was first identified in OH in 2001, so it's not new to our area, but we like to take the opportunity to remind everyone to take precautions".
The warm weather, high humidity and frequent rainfall have created ideal conditions that are conductive to the spreading of West Nile Virus infected mosquitoes.