1. World Health Organisation. WHO Coronavirus (COVID-19) Dashboard. https://covid19.who.int (accecced 23 August 2022).
2. European Centre for Disease Prevention and Control. Assessment of the Further Spread and Potential Impact of the SARS-CoV-2 Omicron variant of Concern in the EU/EEA, 19th Update - 27 January 2022,2022
3. A Novel Coronavirus from Patients with Pneumonia in China, 2019;Zhu;N. Engl. J. Med.,2020
4. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China;Huang;Lancet,2020
5. European Centre for Disease Prevention and Control. Guidance on Ending the Isolation Period for People with COVID-19, Third update, 28 January 2022,2022