1. Overview on SARS in Asia and the World;LAM;Respirology.,2003
2. N. Ramadan, H. Shaib, Middle east respiratory syndrome coronavirus (MERS-COV): A review, GERMS. 9 (2019) 35–42. 10.18683/germs.2019.1155.
3. SARS-coV-2: An emerging coronavirus that causes a global threat;Zheng;Int. J. Biol. Sci.,2020
4. Worldometer, Coronavirus update (Live), (2021). https://www.worldometers.info/coronavirus/(accessed April 29, 2021).
5. World Health Organization, Naming the coronavirus disease (COVID-19) and the virus that causes it, (2021). https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/naming-the-coronavirus-disease-(covid-2019)-and-the-virus-that-causes-it (accessed May 22, 2021).