Now Reading: Australia approves world-first vaccine to save koalas from chlamydia
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Australia approves world-first vaccine to save koalas from chlamydia
A Koala is seen being handled for chlamydia by senior Veterinarian Dr Julian Grosmaire on the Endeavour Veterinary Ecology at Toorbul, north of Brisbane, Australia, Tuesday, Sept. 9, 2025. (Darren England/AAP Image through AP)
MELBOURNE: A regulator has accepted a world-first vaccine to shield koalas from chlamydia infections, that are inflicting infertility and demise within the iconic native species that’s listed as endangered in elements of Australia. The single-dose vaccine was developed by the University of the Sunshine Coast in Queensland state after greater than a decade of analysis led by professor of microbiology Peter Timms. The analysis confirmed the vaccine diminished the probability of koalas growing signs of chlamydia throughout breeding age and decreased mortality from the illness in wild populations by a minimum of 65%. The latest approval by Australia’s veterinary drugs regulator means the vaccine can now be utilized in wildlife hospitals, veterinary clinics and within the discipline to shield the nation’s most at-risk koalas, Timms mentioned on Wednesday. “We knew a single-dose vaccine – with no need for a booster – was the answer to reducing the rapid, devastating spread of this disease, which accounts for as much as half of koala deaths across all wild populations in Australia,” Timms mentioned in an announcement. “Some individual colonies are edging closer to local extinction every day, particularly in southeast Queensland and New South Wales, where infection rates within populations are often around 50% and in some cases can reach as high as 70%,” Timms added. Deborah Tabart, chair of the conservation charity Australian Koala Foundation, mentioned assets being spent on vaccinating koalas ought to be redirected at saving koala habitat. “At the risk of sounding flippant, how can anyone be so delusional as to think that you can vaccinate 100,000 animals? It’s just ridiculous,” Tabart mentioned on Friday. Tabart’s basis estimates there are fewer than 100,000 koalas within the wild. The government-backed National Koala Monitoring Program estimated final 12 months there have been between 224,000 and 524,000 koalas. “I accept that chlamydia is an issue for koalas, but I also want people to understand that they’re sick because they haven’t got any habitat,” Tabart mentioned. The Queensland Conservation Council, an umbrella group for greater than 50 environmental teams throughout the state, welcomed the vaccine. But the council’s director, Dave Copeman, echoed Tabart’s give attention to preserving koala habitat. “It’s really good news. Chlamydia is one of the key stresses that has been putting pressure on koala populations,” Copeman mentioned. “Koalas were at risk before chlamydia outbreaks, and they will remain at risk even if we manage chlamydia perfectly, because we keep on destroying their habitat,” he added. Koalas are listed as endangered species within the states of Queensland and New South Wales and within the Australian Capital Territory, with habitat loss due to wildfires and concrete growth as the foremost threats. Chlamydia may cause urinary tract infections, infertility, blindness and demise. Treatment with antibiotics can disrupt an contaminated koala’s potential to digest eucalyptus leaves – its sole meals supply – main to hunger, the college mentioned in an announcement. The analysis has been supported by the federal, New South Wales and Queensland governments. Federal Environment Minister Murray Watt mentioned his authorities had contributed to the vaccine’s growth via a 76 million Australian greenback ($50 million) Saving Koalas Fund. “We know that koalas need help to fight diseases like chlamydia. It’s a widespread threat impacting their reproductive health and causing infertility,” Watt mentioned in an announcement. Koalas are iconic Australian marsupials, like wombats and kangaroos. They spend most of their time consuming and sleeping in eucalyptus timber, and their paws have two opposing thumbs to assist them grasp and climb up tree trunks. Australia’s wild koala populations have declined steeply prior to now twenty years. Facing compounded threats from illness, habitat loss, local weather change and highway collisions, koalas may turn into extinct by 2050, in accordance to a 2020 evaluation from the New South Wales authorities.
