Former prime minister Malcolm Turnbull has announced he has tested positive for COVID-19. “Like hundreds of thousands of other Australians I have tested positive for COVID. Symptoms moderate so far. Isolating as required,” Turnbull wrote on Twitter on Saturday. “This pandemic and especially this latest wave has put our health professionals under enormous pressure—please be polite and considerate when dealing with the front-line health workers. “They have had two years of relentless pressure and it’s now at its most intense. So give them the love and respect they deserve, please.” Turnbull’s announcement follows Federal Treasurer Josh Frydenberg’s positive diagnosis on Friday. Meanwhile, overpriced COVID-19 rapid antigen tests may be a thing of the past as new laws kick in. As of Saturday, RAT kits have been listed on Australia’s biosecurity determination, making price gouging on the essential items illegal. Retailers caught marking up kits by more than 20 percent of the …