Serological diagnosis of Chlamydophila pneumoniae infection in Greek COPD patients by microimmunofluorescence and ELISA.

Background: The possible role of Chlamydophila pneumoniae infection in episodes of acute exacerbation of COPD (AECOPD) was described in 4-34% of COPD patients, but never in Greece. The possible association of chronic C. pneumoniae infection with disease severity is under study, with a diversity of results reported.