The outbreak caused by the “severe acute respiratory syndrome coronavirus 2” (SARS-CoV-2) distressed the Wuhan residents in December 2019. Many suffering the resultant “unknown pneumonia” were initially admitted to Wuhan hospitals; the predominant symptoms included pyrexia, malaise, dry cough, and sore throat. A fraction of the patients reportedly suffered the complications which culminated in acute respiratory distress syndrome, septic shock, or multiorgan failure, and death. By the end of January 2020, the World Health Organization (WHO) announced the outbreak as a public-health emergency and later, on March 11, declared the COVID-19 a pandemic. Interestingly, the Australian government had declared COVID-19 as a “disease of pandemic potential” on 21 January,1 ahead of WHO. By May 12, 2020, confirmed cases worldwide2 had totaled 4,277,720 with >50,000 new cases registered daily. Meanwhile, our understanding of the pathogenesis, prognosis, symptoms, and case-fatality rate of COVID-19 is still limited but growing fast.3-11