latest COVID-19 variant, first detected in India, was likely to be more virulent than the original strains, taking just one day to infect another person compared with earlier strains which can take about five or six.Authorities are also concerned about the prospect of a larger outbreak in aged care homes after two workers and one resident at the Arcare facility in Melbourne tested positive, the home operator said in a statement.Hundreds of elderly Victorians in residential aged care facilities died of COVID-19 last year.Victoria endured one of the world's strictest and longest lockdowns last year to suppress a second wave of COVID-19 that killed more than 800 people in the state, accounting for 90% of Australia's total deaths since the.