Developed over more than a decade at the University of the Sunshine Coast (UniSC) as part of a global collaborative effort, the vaccine is designed to protect the tree huggers from chlamydia, a bacterial infection that’s been devastating their populations for decades. Chlamydia spreads rapidly among wild populations, causing painful urinary tract infections, infertility, blindness, and even death. But now, a breakthrough single-dose vaccine could turn the tide for the species.