title: Origin of the species.
abstract: This article explains how antibiotic resistance occurs and how it has grown since the introduction of antibiotics in the 1940s. It charts the rise of M RSA infections and describes their growing threat.
authors.forename: George
authors.initials: G
authors.lastname: Winter
mesh_terms: D003428:Cross Infection / Q000188:drug therapy; D006801:Humans; D016106:Methicillin Resistance / Q000502:physiology*; D013203:Staphylococcal Infections / Q000188:drug therapy*; D013211:Staphylococcus aureus / Q000187:drug effects*