Australian Deputy Prime Minister Barnaby Joyce has tested positive for Covid-19 in Washington while on an official visit, he had been experiencing mild symptoms and chose to get tested for Covid-19. /thewest/

Travellers and flight crew members arrive at the international terminal at Sydney Airport, as countries react to the new coronavirus Omicron variant amid the COVID-19 pandemic, in Sydney, Australia. REUTERS

Police officers patrol through the city centre, as coronavirus disease (COVID-19) vaccination rates continue to rise, in Sydney, Australia. REUTERS/Loren Elliott

Pedestrians walk through a shopping plaza in the city centre, as the state of New South Wales surpasses the 90 percent double-dose COVID-19 vaccination target for its population aged 16 and over, in Sydney, Australia. REUTERS

Patrons dine-in at a bar by the harbour in the wake of COVID-19 regulations easing in Sydney, Australia. REUTERS

Travellers and flight crew members arrive at the international terminal at Sydney Airport, as countries react to the new coronavirus Omicron variant in Sydney, Australia. REUTERS