The St. Joseph County Health Department sprayed parts of South Bend on Thursday as a preventative measure against West Nile Virus.

No greater sage grouse were found in North Dakota this spring, which wildlife officials say is a first in decades of counting and a consequence of a disrupted landscape.

Health officials warn the public after mosquitoes east of Caldwell tested positive for West Nile virus, marking the first ...

CBS News medical contributor Dr. Celine Gounder joins to discuss the rise in West Nile virus cases, with nearly 50 infections ...