State Epidemiologist Dr. Josh Clayton said in the past month, South Dakota has seen around 1,300-1,500 cases of influenza, ...

With 87 cases of West Nile virus reported in 2025, South Dakota seems to have avoided the widespread outbreak experts anticipated earlier in the year. However, Joshua Clayton, South Dakota's state ...

Four people have died of West Nile virus so far this year in South Dakota, according to the state health department's dashboard. There had been 74 human cases reported statewide in 2025 as of Sept. 26 ...

A Grant County resident with measles may have exposed others to the highly contagious disease at several locations in ...

New cases of highly pathogenic avian influenza (HPAI) have been confirmed in commercial flocks in three states: Mississippi, South Dakota and Kansas.