1. World Health Organization. WHO Director-General’s opening remarks at the media briefing on COVID-19 –; 2020. Available from: https://www.who.int/director-general/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020. Accessed March 13, 2021.
2. A Novel Coronavirus from Patients with Pneumonia in China, 2019
3. Worldometer. COVID-19: coronavirus pandemic; 2021. Available from: https://www.worldometers.info/coronavirus. Accessed March 13, 2021.
4. Covid-19: risk factors for severe disease and death
5. Bidirectional Relationship between COVID-19 and Diabetes