Koala stress linked to disease threat

23 Sep 2025
Koala
Many koalas in the study were successfully treated for Chlamydia before being released back into the wild. Photo credit: Currumbin Wildlife Hospital

Researchers have revealed a clear relationship between stress and increased disease risk in koalas in South East Queensland and on the New South Wales North Coast.

A study led by Dr Michaela Blyton at The University of Queensland measured and tracked the level of koala retrovirus (KoRV) in groups of captive and wild koalas.

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