As scientists learn more about the virus, they say herd immunity won't work. Early in the pandemic, scientists and public health experts leaned on their experience with other viruses to make ...

New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn a deadly pathogen into a harmless bug or supercharge a relatively benign ...

While individual protective and public health efforts (especially mosquito abatement) have had an effect, WNv has become endemic to the area under study. Weld County is representative of the counties ...