The last time cases reached outbreak status in South Dakota was in 2018, when there were a total of 169 cases in the state.

The South Dakota Department of Health has reported the first human case of West Nile Virus for the 2025 season. What is this disease and what does it involve?

South Dakota has its first human case of West Nile virus for the year. A Brookings County resident contracted the illness, which is most commonly spread by mosquito bites. Officials are urging residents to take precautions of applying mosquito repellents that include DEET,