On 31 December 2019, a cluster of pneumonia cases of unknown aetiology was reported in Wuhan, Hubei Province, China [1]. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was isolated by Chinese scientists on 7 January 2020. To date, the SARS-CoV-2 virus causing the coronavirus disease (COVID-19) pandemic is spreading throughout the world.