Coronavirus-2019 (COVID-19), also named as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a highly contagious disease, which has lead on to ongoing pandemic outbreak and now ended up in global public health emergency. This article will briefly review the morphology, genomic nature, and pathogenesis of this virus. In addition to it, brief description on laboratory diagnosis, approach to treatment, and preventive measures of COVID-19 based on various published research literature has been discussed.