2020-10-31 16:12 Since last December, 2019, an outbreak of a novel coronavirus disease (COVID-19; previously known as 2019-nCoV) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was reported. COVID-19 has subsequently affected various global regions including Americas, Europe, Africa, Western Pacific etc. Even though COVID-19 is an acute resolved disease, it can also be deadly, with a 2% case fatality rate. As of Apr 14, about 1,844,863 cases has been confirmed globally, with 117,021 death cases. Now COVID-19 is an emerging, rapidly evolving situation, and has become a pandemic.