The common cold and diseases like influenza are caused by germs called viruses. These germs are infectious and can stay on surfaces and make you sick if they enter your body. How long they can "live" ...

The common cold looks trivial compared with illnesses that fill intensive care units, yet it still knocks out workers, ...

A bout with a cold or the flu can really take you down. To stay healthy, you need to avoid nasty bugs. But that’s not always easy. Germs are everywhere, and there are plenty of ideas about how to get ...