Chlamydia is killing Australia's koalas, but ambitious new project could stop the spread

A koala hanging in a eucalyptus tree in New South Wales, Australia. (Image credit: Shutterstock)

Conservationists in Australia have begun vaccinating wild koalas against a highly contagious and deadly form of chlamydia.

In recent decades, the marsupials have been plagued with a destructive strain of chlamydia, which belongs to a closely related species of the sexually-transmitted disease in humans.