Health experts say that they expect the incidence rate to only keep increasing as the scorching heat drags on, and are encouraging the public to protect themselves.
The Clark County Health Department says routine mosquito sampling by the state found West Nile in Jeffersonville.
"The identification of two CT residents with West Nile virus associated illness that required hospitalization underscores the potential seriousness of infection", said DPH Commissioner Dr. Raul Pino in a statement.
The Cascade City-County Health Department has confirmed Montana's first case of West Nile Virus (WNV) in a human this year.
They also recommended keeping your skin covered.
Most people infected with the virus don't show symptoms, but those who have a reaction may experience fever, nausea, headaches and muscle aches for a few days or weeks.
Troy urges its residents to be proactive with preventative measures and avoiding mosquito bites by wearing long sleeves, using insect repellents and preventing babies and younger children from coming in contact with mosquitos. Targeted efforts have been ongoing and reduction of mosquito populations in fogged areas is ranging from 50% to 90%.
The DPH said they were the first two human cases of the CT season.
For more information about West Nile Virus, visit the Centers For Disease Control & Prevention website.
No one has died from the disease this year.
More than 100 people across the country have tested positive for the illness this year.
The risk of West Nile virus infection is at a level not seen since 2012 when an outbreak infected 290 IL residents, the North Shore Mosquito Abatement District announced Thursday.