Australia on Wednesday recorded the highest single-day COVID-19 cases as the country battles with the omicron variant of coronavirus, the Health Ministry said. During the past 24 hours, Australia reported 64,767 new cases, bringing the total caseload to 612,106 and 2,289 related deaths. As Australia moves from officially recorded PCR tests to RAT tests, how will we be able to record the true number of COVID-19 cases? — Dr Brad ...