Definition: A pathogen is a biological agent – such as a bacterium, virus, fungus, parasite or prion – that can cause disease in a host organism. In simple terms: a pathogen is an infectious microbe ...

This article was originally featured on Undark. It all started when Christopher Mason’s 3-year-old daughter licked a subway pole. Like any parent, he was horrified, but also keenly curious: What types ...

Antimicrobial resistance is an urgent and growing global crisis. Researchers are exploring phages, viruses that infect bacteria, as a possible solution. In the new study, researchers successfully ...