Seemingly innocent microorganisms may have harmful consequences: Ubiquitous waterborne protozoa appear capable of aiding the survival of several types of bacteria responsible for gut-wrenching food ...

The history of life stretches back untold eons. Today, there is a staggering array of organisms on Earth, with more species being discovered every year. The complexity of life, from the smallest ...

A pathogen is a living thing that causes disease. Viruses and bacteria can be pathogens, but there are also other types of pathogens. Every single living thing, even bacteria themselves, can get ...

A local infectious disease specialist explained Thursday that many different types of parasites can enter and live in the brain. "But the good news is, most of the time this happens ... people are ...