Mostly Harmless: Exploring how our bacterial friends become foes

Every surface, nook and cranny of the human body is inhabited by bacteria, with over 1000 different species calling our bodies home [1]. Don’t panic! Most are totally harmless bacteria, known as commensals. Some are even beneficial to our health. Only a tiny proportion of bacterial species are pathogens, responsible for causing infectious diseases ranging from mild acne to Read more…