A new screening catches a hidden virus in newborns, the AMA outlines this fall's vaccine guidance, and a dermatologist shares tips for cooler weather.

Mosquitoes carrying West Nile virus have already been detected in at least 23 states this year, including California, Georgia, Indiana and New York. This is the earliest start to the West Nile virus ...

Viruses like the flu, COVID and RSV tend to surge during the winter so NBC medical reporter Dr. Akshay Syal joins TODAY to share a breakdown of each virus, a list of who is most at risk, when you ...

West Nile virus cases are being reported earlier than usual across several U.S. states this year. The virus is primarily spread to humans through the bites of infected mosquitoes. Most people infected ...