1. Doherty B (2020) Qantas slashes flights as coronavirus hits passenger numbers, The Guardian. https://www.theguardian.com/business/2020/mar/10/qantas-slashes-flights-as-coronavirus-hits-passenger-numbers. Accessed 19 Mar 2020
2. Liu Y, Gayle AA, Wilder-Smith A, Rocklöv J (2020) The reproductive number of COVID-19 is higher compared to SARS coronavirus. J Travel Med. https://doi.org/10.1093/jtm/taaa021
3. McMahon J (2020) Study: coronavirus lockdown likely saved 77,000 lives in China just by reducing pollution, Forbes. https://www.forbes.com/sites/jeffmcmahon/2020/03/16/coronavirus-lockdown-may-have-saved-77000-lives-in-china-just-from-pollution-reduction/#2e94bd3f34fe. Accessed 19 Mar 2020
4. Tang X, Wu C, Li X, Song Y, Yao X, Wu X, Duan Y, Zhang H, Wang Y, Qian Z, Cui J (2020) On the origin and continuing evolution of SARS-CoV-2. Natl Sci Rev. https://doi.org/10.1093/nsr/nwaa036
5. United Nations Educational, Scientific and Cultural Organization (2020) COVID-19 educational disruption and response. https://www.en.unesco.org/themes/education-emergencies/coronavirus-school-closures. Accessed 19 Mar 2020