A woman wearing a face mask works beside a Christmas tree in a shop in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)

A woman wearing a Christmas-themed hairband and a face mask works in a shop in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)

A man talks on the phone in Queen Victoria Building in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)

A woman wearing a Christmas hat and a face mask works in a shop in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)

A woman wearing a face mask takes selfies in front of a Christmas tree at Martin Place in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)

A man wearing a face mask looks at a Christmas tree at Queen Victoria Building in Sydney, Australia, Dec. 22, 2020. Officials in the Australian state of New South Wales (NSW) have named over 100 venues across Sydney as potential COVID-19 hotspots, instructing anyone who attended them to self-isolate and get tested. NSW recorded eight locally acquired cases of COVID-19 on Tuesday, taking a recent outbreak to 90 infections. (Xinhua/Bai Xuefei)