title: Old bugs learn some new tricks.
authors.forename: Harvey B
authors.initials: HB
authors.lastname: Simon
mesh_terms: D016360:Clostridioides difficile / Q000235:genetics* / Q000276:immunology; D003967:Diarrhea / Q000188:drug therapy; D006801:Humans; D009154:Mutation / Q000235:genetics*; D009161:Mycobacterium / Q000235:genetics* / Q000276:immunology; D013203:Staphylococcal Infections / Q000188:drug therapy; D013211:Staphylococcus aureus / Q000235:genetics* / Q000276:immunology; D014376:Tuberculosis / Q000188:drug therapy; D014481:United States