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Australia to vaccinate koalas against chlamydia in clinical trial

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Chlamydia, a sexually transmitted disease also found in humans, has spread widely among Australian koalas, affecting half the animals in some areas.

“It is a cruel disease that causes debilitating conjunctivitis, bladder infections and at times, infertility,” Amber Gillett, Australia Zoo Wildlife Hospital veterinarian and coordinator of research, said in a statement on Friday as the trial began.

The bacterial disease, which can be spread from mothers to their newborns, can also cause blindness, researchers say.

The koalas will each receive one dose of the vaccine and will be microchipped before being released into the wild.

Australia has lost almost a third of its koala population in three years, foundation says

“While this vaccination will directly benefit each of the animals, the trial will also have a focus on the protection provided by vaccination,” said Peter Timms, professor of microbiology at the University of the Sunshine Coast, which is leading the trial.

Although in many cases chlamydia can be treated with antibiotics, the researchers said they hope the vaccine will help improve the survival and reproduction of the animals.

Estimates of koala populations vary as they are difficult to count in the wild. A 2016 study by the University of Queensland calculated there were around 330,000 koalas left in Australia.

A study commissioned by the World Wildlife Fund estimated more than 60,000 koalas had been killed, injured or affected in some way by Australia’s devastating bushfires in 2019 and early 2020.

Read More: Australia to vaccinate koalas against chlamydia in clinical trial

2021-10-18 01:49:00

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