Add Yahoo as a preferred source to see more of our stories on Google. A koala climbs a tree in its new enclosure at Wilhelma in Stuttgart. Bernd Weißbrod/dpa Australia's veterinary medicine regulator ...

SYDNEY (Reuters) - A vaccine to protect Australia's koalas against chlamydia has been approved for the first time, a development that scientists believe could stop the spread of the deadly disease ...

MELBOURNE, Australia (AP) — A regulator has approved a world-first vaccine to protect koalas from chlamydia infections, which are causing infertility and death in the iconic native species that is ...

Australia has approved the first vaccine to protect its shrinking koala population against chlamydia, a disease that accounts for as many as half of deaths in the wild among the country’s iconic ...