Waterborne Legionella bozemanii and nosocomial pneumonia in immunosuppressed patients. 1985

M F Parry, and L Stampleman, and J H Hutchinson, and D Folta, and M G Steinberg, and L J Krasnogor

From October 1983 to February 1984, five episodes of nosocomial pneumonia caused by Legionella bozemanii occurred in immunosuppressed patients at a 300-bed community hospital. Pulmonary infiltrates were predominantly patchy and present in multiple lobes and bilaterally; cavitation occurred in one patient. Patients responded promptly and completely to treatment with erythromycin and rifampin. Epidemiologic studies showed that all patients had been continuously or recently hospitalized at the same institution. Legionella bozemanii was cultured from four of the five infected patients, from tapwater in patient care areas, from the hospital's hotwater holding tank, and from soil in an area of excavation and new construction on hospital property. Chlorination and heat sterilization of the tank eliminated L. bozemanii from the water and no further cases were seen. This outbreak reaffirms that excavation and construction are risk factors for the outbreak of nosocomial legionella pneumonia and is the first description of nosocomial infection due to L. bozemanii.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D007165 Immunosuppression Therapy Deliberate prevention or diminution of the host's immune response. It may be nonspecific as in the administration of immunosuppressive agents (drugs or radiation) or by lymphocyte depletion or may be specific as in desensitization or the simultaneous administration of antigen and immunosuppressive drugs. Antirejection Therapy,Immunosuppression,Immunosuppressive Therapy,Anti-Rejection Therapy,Therapy, Anti-Rejection,Therapy, Antirejection,Anti Rejection Therapy,Anti-Rejection Therapies,Antirejection Therapies,Immunosuppression Therapies,Immunosuppressions,Immunosuppressive Therapies,Therapies, Immunosuppression,Therapies, Immunosuppressive,Therapy, Immunosuppression,Therapy, Immunosuppressive
D007875 Legionella Gram-negative aerobic rods, isolated from surface water or thermally polluted lakes or streams. Member are pathogenic for man. Legionella pneumophila is the causative agent for LEGIONNAIRES' DISEASE.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011014 Pneumonia Infection of the lung often accompanied by inflammation. Experimental Lung Inflammation,Lobar Pneumonia,Lung Inflammation,Pneumonia, Lobar,Pneumonitis,Pulmonary Inflammation,Experimental Lung Inflammations,Inflammation, Experimental Lung,Inflammation, Lung,Inflammation, Pulmonary,Inflammations, Lung,Inflammations, Pulmonary,Lobar Pneumonias,Lung Inflammation, Experimental,Lung Inflammations,Lung Inflammations, Experimental,Pneumonias,Pneumonias, Lobar,Pneumonitides,Pulmonary Inflammations
D003237 Connecticut State bounded on the north by Massachusetts, on the east by Rhode Island, on the south by Long Island Sound, and on the west by New York.
D003428 Cross Infection Any infection which a patient contracts in a health-care institution. Hospital Infections,Nosocomial Infections,Health Care Associated Infection,Health Care Associated Infections,Healthcare Associated Infections,Infection, Cross,Infections, Hospital,Infections, Nosocomial,Cross Infections,Healthcare Associated Infection,Hospital Infection,Infection, Healthcare Associated,Infection, Hospital,Infection, Nosocomial,Infections, Cross,Infections, Healthcare Associated,Nosocomial Infection
D004196 Disease Outbreaks Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS. Outbreaks,Infectious Disease Outbreaks,Disease Outbreak,Disease Outbreak, Infectious,Disease Outbreaks, Infectious,Infectious Disease Outbreak,Outbreak, Disease,Outbreak, Infectious Disease,Outbreaks, Disease,Outbreaks, Infectious Disease
D005260 Female Females

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