microbe

Perspiration can be a stinky nuisance as temperatures climb, but scientists say we shouldn't sell sweat short. There's so much more to the briny stuff than meets the eye.

What if your body could corral an infection instead of eliminating it? Immunologists who see this sort of "disease tolerance" in plants wonder what role it might play in asymptomatic human infections.

The world of infectious diseases has more than a few words and phrases you might want to know more about. We've got definitions for 11 key terms.