1. School of Public Health and Community Medicine, The University of New South Wales, , Sydney, NSW, Australia
2. Virology Research Laboratory, Serology and Virology Division (SAViD), NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW, Australia
3. Biosecurity Program, The Kirby Institute, The University of New South Wales, Sydney, NSW, Australia
4. College of Public Service & Community Solutions, Arizona State University, Phoenix, AZ, USA