i looked up those two big words, hmm ...........
....Chlamydia pneumoniae is a species of chlamydiae bacteria that infects humans and is a major cause of pneumonia. Chlamydia pneumoniae has a complex life cycle and must infect another cell in order to reproduce and thus is classified as an obligate intracellular pathogen. In addition to its role in pneumonia, there is evidence associating Chlamydia pneumoniae with atherosclerosis and with asthma. The full genome sequence for Chlamydia pneumoniae was published in 1999.
Chlamydia pneumoniae also infects and causes disease in Koalas, 
emerald tree boa (Corallus caninus), iguanas, chameleons, frogs, and turtles.
The first known case of infection with C. pneumoniae was a case of sinusitis in Taiwan.
This atypical bacterium commonly causes pharyngitis, bronchitis and atypical pneumonia[1] mainly in elderly and debilitated patients but in healthy adults also.[2]
hope our Koala is reading this
thanks Natalie