Incidence of community-acquired pneumonia caused by Chlamydia pneumoniae in Italian patients

F. Blasi, R. Cosentini, D. Legnani, F. Denti, L. Allegra

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The incidence of Chlamydia pneumoniae as a cause of community-acquired pneumonia was evaluated in a one-year prospective study in 108 patients with community-acquired pneumonia. The bacteriological diagnosis was based on culture of sputum or bronchial aspirate and examination of acute and convalescent phase sera for Mycoplasma pneumoniae, Legionella pneumophila and Chlamydia pneumoniae. A definitive microbiological diagnosis was obtained in 58 (54 %) patients. Chlamydia pneumoniae was the causative agent in 14 patients (13 %) on the basis of positive serological tests; in 10 of the 14 patients Chlamydia pneumoniae was also detected by means of an indirect immunofluorescence test using pharyngeal swab specimens. In conclusion, Chlamydia pneumoniae seems to be a common etiological agent of community-acquired pneumonia, as increasingly reported in the last six to seven years.

Original languageEnglish
Pages (from-to)696-699
Number of pages4
JournalEuropean Journal of Clinical Microbiology and Infectious Diseases
Issue number9
Publication statusPublished - Sep 1993

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases
  • Immunology

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