Three dead after suspected hantavirus outbreak on cruise ship. Here's what to know about how hantavirus is transmitted, symptoms and mortality rate.

Countries around the world, including the U.S., are preparing to deal with the more than 140 passengers and crew members on ...

Answers to a range of questions about the disease, which can cause severe symptoms in babies and young children.

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

Wondering if you’re still contagious? Doctors explain the typical timeline for a cold.

The highly contagious stomach virus goes around at least once a year, usually in February and March — but it’s hitting later ...

Whooping cough, medically known as pertussis, is a highly contagious bacterial infection that affects the airways.

Across the country, there's a rise in cases of a seasonal illness that's causing medical professionals to speak out.