Thousands of koalas have died from the disease, with some estimates suggesting only 50,000 remain in the wild.
Koalas are barrelling towards extinction but vaccine efforts to save them are running out of time and cash.
Advocates say the practice is "cruel" to koalas and are pushing for it to be outlawed nation-wide.
Burke, a Southern koala, moved to England in 2019 as part of a programme to protect the species.
It ate thousands of seedlings that had been earmarked to help boost Australian koala habitat.
Monty the koala is the first southern koala to be born anywhere in Europe.
Will Thornton steps in to help a marsupial trying to cross the Gold Coast Highway in Queensland.
Bushfires have killed many thousands of the marsupials, who are threatened with extinction.
A cuddly toy koala is used by staff at Longleat safari park to help weigh their baby joey.
