title: Rickettsia-like bacteria.
mesh_terms: D001419:Bacteria / Q000302:isolation & purification; D001424:Bacterial Infections / Q000175:diagnosis; D001432:Bacteriology / Q000266:history*; D003141:Communicable Diseases / Q000175:diagnosis; D049673:History, 20th Century; D006801:Humans; D007875:Legionella / Q000302:isolation & purification*; D007919:Leptospira / Q000302:isolation & purification; D012281:Rickettsia / Q000302:isolation & purification; D014481:United States