1. World Health Organization , Coronavirus Disease (COVID-19) pandemic. https://www.who.int/emergencies/diseases/novel-coronavirus-2019. Accessed 20 May 2020.
2. World Health Organization , Coronavirus Disease (COVID-2019) situation reports. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports. Accessed 20 May 2020.
3. World Health Organization , WHO Director-General's opening remarks at the media briefing on COVID-19 - 11 March 2020. https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19—11-march-2020. Accessed 20 May 2020.
4. US Department of Health and Human Services , “Hospital experiences responding to the COVID-19 pandemic: Results of a national pulse survey March 23–27, 2020” (Rep. OEI-06-20-00300, US Department of Health and Human Services, 2020).
5. D. R. E. Ranoa ., Saliva-based molecular testing for SARS-CoV-2 that bypasses RNA extraction. bioRxiv:10.1101/2020.06.18.159434 (18 June 2020).