polio — 지금 무슨 일이?
Australia was declared polio-free in 2000.
Australia was declared polio-free in 2000. ( AP: Sarah Poser, Meredith Boyter Newlove/CDC ) Poliovirus has been detected in a sample from the Subiaco wastewater treatment plant in Perth. Health officials say it is a vaccine-derived strain that has most likely come from someone who has travelled overseas, and presents a very low risk due to WA's high vaccination rates. WA's Department of Health is increasing the frequency of wastewater poliovirus testing in the Perth metropolitan area. Poliovirus has been detected in a sample of Perth's wastewater, health officials have revealed. Authorities sa