Koalas are cute, furry, iconic – and dying of chlamydia. But how well does the approved vaccine work?
Attributed to The Guardian. ENC is not independently verifying these facts.

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https://www.theguardian.com/environment/2026/oct/26/koalas-australia-chlamydia-vaccine
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- First on desk · 10/25/2026, 10:00:22 PMKoalas are cute, furry, iconic – and dying of chlamydia. But how well does the approved vaccine work?Original link
- Update · 10/26/2026, 10:00:36 PMKoalas are cute, furry, iconic – and dying of chlamydia. But how well does the approved vaccine work?Original link
Supporting passage from source
Queensland researchers say a published study contains ‘silly mistake’ that over-inflates vaccine’s efficacy but the regulator is standing by decision to approve it At wildlife hospitals across eastern Australia, many koalas brought in have distinctive brown patches on their bottoms – a sign of urinary incontinence and a painful inflamed bladder. Others have red, weeping eyes, pointing to a bacterial disease that can cause blindness in the endangered marsupials. Chlamydia infection, also known as chlamydiosis, is the most significant disease affecting the animals. The culprit is most commonly the bacterium Chlamydia pecorum , which is spread via mating or close contact. Continue reading...
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