Chlamydia pecorum

Chlamydia pecorum, also known as Chlamydophila pecorum^[2][3] is a species of Chlamydiaceae that originated from ruminants, such as cattle, sheep and goats.^[4] It has also infected koalas and swine.^[5] C. pecorum strains are serologically and pathogenically diverse.^[6]

In the koalas, C. pecorum causes infections in the reproductive systems and urinary tract, as well as pneumonia, infertility, and death.^[7] It is considered one of the most important infectious diseases that currently plagues koalas.^[8][9][10] C. pecorum is the most common chlamydial species to infect koalas and is the most pathogenic.^[11] In other animals, C. pecorum has been associated with abortion, conjunctivitis, encephalomyelitis, enteritis, arthritis, and polyarthritis.^{[12][13][14][15][16][17][18]}