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