The challenge of the gram-negative rod in today's hospitals.
D000368:Aged; D001207:Asepsis; D003428:Cross Infection / Q000175:diagnosis / Q000382:microbiology* / Q000517:prevention & control; D006088:Gram-Negative Aerobic Bacteria; D006089:Gram-Negative Anaerobic Bacteria; D006801:Humans; D007113:Immunity, Innate; D008297:Male; D012121:Respiration, Artificial / Q000451:nursing