Papua New Guinea (PNG) has reported two cases of poliovirus type 2, sparking a national emergency response and raising concerns about the potential spread to Australia.
The WHO and UNICEF have launched an immediate immunisation response in PNG, with a three-stage program aimed at boosting vaccine rates and preventing further transmission. The country’s low immunisation coverage and lack of effective surveillance systems are being cited as major factors contributing to the outbreak.
While the risk of polio spreading to Australia is considered low due to the country’s high immunisation rates, health experts warn that the situation could be dire if the virus spreads to vulnerable populations. Australia has not had a major outbreak of polio since 1961, but childhood immunisation rates have been declining in recent years.
The Australian government is working closely with PNG and international partners to support the response effort, including providing targeted technical assistance. Australians are advised to remain vigilant and report any suspected cases of polio to their local health authorities.
As the situation unfolds, experts stress that polio anywhere is a threat everywhere, and it’s essential for Australia to maintain its high level of immunisation coverage and surveillance to prevent any potential spread of the virus.
Source: https://www.abc.net.au/news/2025-05-16/papua-new-guinea-polio-outbreak-and-risk-to-australia-explained/105298232