1. Coronavirus (COVID-19) Events as they Happen 2020 - 20 July 2020. Available from: https://www.who.int/emergencies/diseases/novel-coronavirus-2019/events-as-they-happen. [Last accessed on 2020 Jul 16].
2. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: A descriptive study;Chen;Lancet,2020
3. WHO Director-General’s Opening Remarks at the Media Briefing on COVID-19; 11 March, 2020. Available from: https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19. [Last accessed on 2020 Jul 16].
4. Community transmission of severe acute respiratory syndrome coronavirus 2, Shenzhen, China, 2020;Liu;Emerg Infect Dis,2020
5. Aerosol and surface stability of SARS-CoV-2 as Compared with SARS-CoV-1;van Doremalen;N Engl J Med,2020