Vaccine-derived poliovirus has been detected in wastewater in Australia during routine surveillance of untreated sewage at a treatment plant in Perth. The vaccine-derived poliovirus type 2 strain detected in Western Australia is found in parts of the world where the oral vaccine polio is used, and where low immunisation coverage and poor sanitation allow for easy transmission of the virus. Its detection reinforces the effectiveness of Australia’s robust disease surveillance and monitoring systems. While Australia remains polio-free and vaccination coverage […]














