ME/CFS in the Department of Medicine

Chlamydia Pneumoniae

What is Chlamydia pneumoniae?

Chlamydia pneumoniae is a species of bacteria that can cause pneumonia and bronchitis. It is an obligate intracellular pathogen, meaning it can only survive by infecting a host. Its prevalence in the U.S. population is unknown, but it likely contributes to the 2-5 million cases of pneumonia each year in the U.S. Some researchers have also associated this bacterium with atherosclerosis, Alzheimer’s disease, asthma, and arthritis.

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