The Norfolk Department of Public Health is confirming officials have detected the first West Nile Virus activity of the ...

Swiss drugmaker Novartis says it has developed the first new class of malaria treatment in about 25 years. A study of the ...

This season’s drought shows that the effects of climate change are real, but it’s not as black and white as wet or dry.

It was thought that Aedes aegypti could not survive in the Mountain West. But now, a population is thriving in Colorado.