California is battling one of its largest measles outbreaks in nearly a decade after new cases in Sacramento pushed the state’s total to 39. The outbreak, which began in Sacramento and Placer counties ...

New research reveals how measles infection disrupts immune memory and increases vulnerability to other infections, reinforcing why high vaccination coverage remains critical to preventing outbreaks ...

California is sounding big alarms as measles, one of the most contagious diseases known to medicine, races through pockets of unvaccinated communities. “That’s ridiculously infectious,” warned Dr.

Rotavirus, the highly contagious disease that can cause severe vomiting and diarrhea in babies and young children, is on the rise on Long Island, the rest of the metropolitan area and nationwide.