1. World Health Organization. Coronavirus disease 2019 (COVID-19): situation report. 2020. p. 67. https://www.who.int/emergencies/diseases/novelcoronavirus-2019/situation-reports.
2. Kessler G. Trump’s false claim that the WHO said the coronavirus was ‘not communicable’. The Washington Post. Archived from the original on April 17, 2020. Retrieved 17 April 2020 from http://archive.is/7Pgq4.
3. WHO. Pneumonia of unknown cause—China. WHO. Archived from the original on 7 January 2020. Retrieved 9 April 2020 from https://www.who.int/csr/don/05-january-2020-pneumonia-of-unkown-cause-china/en/.
4. Coronavirus disease (COVID-19). Situation Report—147 data as received by WHO from national authorities by 10:00 CEST, 15 June 2020. https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200615-covid-19-sitrep-147.pdf?sfvrsn=2497a605_4.
5. Woo PC, Huang Y, Lau SK, Yuen KY. Coronavirus genomics and bioinformatics analysis. Viruses. 2010;2(8):1804–20. https://doi.org/10.3390/v2081803.