Atypical pneumonia caused by Chlamydia abortus in HIV patient: a case report.

Background: Chlamydia abortus, as a pathogen of atypical pneumonia, is rare in humans, especially in HIV infection patients. Case presentation: We present the case of a 48-year-old man with a history of HIV infection who started high fever and developed pneumonia. The pathogen-targeted next-generation sequencing (ptNGS) results of bronchial lavage fluid showed Chlamydia abortus infection. Conclusion: This is the first report of Chlamydia abortus infection presented as atypical pneumonia in an AIDS patient. [ABSTRACT FROM AUTHOR]