Do Koalas Get STDs
Yes, koalas can contract sexually transmitted infections. The most significant is chlamydia, caused by the bacterium Chlamydia pecorum. This infection is widespread in many Australian koala populations and can affect reproduction and survival.
How Koalas Catch Chlamydia
Transmission occurs mainly during mating, when infected secretants come into contact with mucous membranes. Young koalas can also become infected, possibly through exposure to contaminated environments or from mothers during close contact.
Impact on Koala Health
Chlamydia can cause conjunctivitis, urinary tract infections, and reproductive tract disease. In females, it may lead to infertility or complications during pregnancy. Severe cases can reduce lifespan and contribute to population decline.
Research and Conservation Efforts
Scientists monitor chlamydia in wild koalas and study vaccine development. Management includes health assessments, habitat protection, and targeted treatment in severely affected areas. Learn more about koala health initiatives from the Australian Government Department of Climate Change, Energy, the Environment and Water.
