While the outbreak aboard a cruise ship in the Atlantic is concerning, the virus isn’t easily transmitted through casual ...

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 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Getting sick leading up to the holidays brings its own set of headaches. If you’re anything like me, you’ll be worried about ...

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 ...

Hantavirus is deadlier but rare and rodent-borne, while COVID-19 spreads easily between humans, causing widespread global ...

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

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