ISLIP - Officials have confirmed the third case of West Nile in Suffolk County.

The person is from the Town of Islip and is undergoing rehabilitation.

Officials tell News 12 Long Island that there could be four more cases of the disease in Suffolk but they are waiting on test results to confirm.

In Nassau County, there have been two confirmed cases of West Nile this year. One of them was fatal.

CDC: U.S. West Nile cases up 40% from last weekNassau, Suffolk continue with West Nile spraying