AAP: CLIMATE change alone will not push dengue fever into metropolitan Australia, experts say, as the outbreak in northern Queensland topped 600 people infected. The outbreak remains centred on Cairns, but recent studies have warned of a future risk for major population centres to the south as projected hotter temperatures and a rollout of water tanks improve conditions for its carrier mosquitoes. A study by the CSIRO in 2006 warned a two to three degree celsius rise in temperature …