Norovirus, the infamous "winter vomiting disease," is surging again across the United States. Norovirus is a highly contagious stomach bug that causes sudden, often violent bouts of diarrhea and ...

People are being warned about a 'mystery virus' spreading in the UK which has symptoms that can feel worse than a cold or flu. A health expert says the illness isn't actually new but appears to be ...

A traveler passing through Newark Liberty International Airport tested positive for measles – one of the world’s most infectious diseases – earlier this month, officials said. The patient zero ...