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Possible Nosocomial Transmission of Psittacosis
Carolyn Hughes, Pat Maharg, Peter Rosario, Michael Herrell, Donna Bratt, Jose Salgado and David Howard
Infection Control and Hospital Epidemiology
Vol. 18, No. 3 (Mar., 1997), pp. 165-168
Published by: Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America
Stable URL: http://www.jstor.org/stable/30141976
Page Count: 4
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Objectives: To investigate a cluster of seven pneumonia cases among persons exposed to a pet-shop worker hospitalized with psittacosis. Design: Epidemiological study of the outbreak, sero-diagnostic evaluation of exposed persons with pneumonia; and retrospective review of the pneumonia cases. Setting: 450-bed teaching community hospital. Participants: Employees of the nursing unit where the patient with psittacosis was hospitalized. Results: The index case had laboratory and clinical evidence of psittacosis. Four of the seven exposed persons who developed pneumonia had serologic Results that met criteria for a diagnosis of psittacosis, and three met criteria for Chlamydia pneumoniae infection, possibly reflecting cross-reactivity between the microimmunofluorescence assays for the two diseases. The epidemiological graph suggested a relationship between the index case and the cluster of pneumonias in exposed individuals. Conclusions: Psittacosis may have been transmitted person to person in a hospital Setting.
Infection Control and Hospital Epidemiology © 1997 Cambridge University Press