1. World Health Organization:Emergencies preparedness response. Pneumonia of unknown cause ‐ China. Disease outbreak news 5 January 2020.https://www.who.int/csr/don/05‐january‐2020‐pneumonia‐of‐unkown‐cause‐china/en/[Last accessed 25 August 2020]
2. European Centre for Disease Prevention and Control:Cluster of pneumonia cases caused by a novel coronavirus Wuhan China; – 17 January 2020.Stockholm:ECDC;2020.https://www.ecdc.europa.eu/sites/default/files/documents/Risk%20assessment%20‐%20pneumonia%20Wuhan%20China%2017%20Jan%202020.pdf[Last accessed Last accessed 25 August 2020]
3. Characteristics of and Important Lessons From the Coronavirus Disease 2019 (COVID-19) Outbreak in China
4. Discovery of a novel coronavirus associated with the recent pneumonia outbreak in humans and its potential bat origin;Zhou P;bioRxiv,2020
5. A new coronavirus associated with human respiratory disease in China