In Australia, a trial started in the night from Friday to Saturday in which about 400 koalas are given a vaccine against the venereal disease Chlamydia.

This should increase the breeding and survival chances of the animals, as a large number of koalas have Chlamydia.

This can lead to bladder infections, blindness and even death in the animals.

As part of the trial, the koalas will be vaccinated.

A microchip is also implanted, after which the animals are released again.

The vaccination should not only protect the koalas themselves, but also ensure that newborn koalas do not get sick.

Chlamydia can be passed on to their young from koala females, according to the researchers.

The koala population is under pressure in Australia.

In 2016, the University of Queensland estimated that there are about 330,000 animals left in the wild.

More than 60,000 of these died during the major wildfires of 2019 and 2020, according to a study by the World Wildlife Fund.

In addition, a parliamentary inquiry by the state of New South Wales in 2020 showed that if Australian authorities do not intervene and actively protect koalas in the state, the animals will become extinct within 30 years.

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Dehydrated koala drinks Australian cyclist's water bottle

Keywords: chlamydia, animals, australia, koalas, trial, disease, chances, vaccine, microchip, breeding, blindness, bladder infections, death, number, vaccination