First wild koala receives chlamydia vaccine via biodegradable implant
In May 2026, Bamse, an 18-month-old female koala, became the first wild koala to receive a chlamydia vaccine via a biodegradable implant at Currumbin Wildlife Hospital in Queensland, Australia. This breakthrough allows for the administration of a two-dose vaccine through a single procedure. The implant releases the booster after 30 days, promoting easier and less stressful vaccination for wild koalas.

In a significant advancement for wildlife health, Bamse, an 18-month-old female koala, has become the first wild koala to receive a chlamydia vaccine through a biodegradable implant. This milestone was achieved on May 19, 2026, at the Currumbin Wildlife Hospital in Queensland, Australia. The innovative approach allows for a two-dose chlamydia vaccine to be administered in a single procedure, marking a major improvement over the traditional method, which requires two separate captures and vaccinations. The implant is designed to dissolve after 30 days, releasing the second dose of the vaccine. Bamse will be monitored for at least six months to assess the effectiveness of this new method.
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