COVID19 pandemic: An overview of its origin, current status and ongoing clinical trials

Abstract

: The COVID19 pandemic is raging across the globe with the total active cases increasing each day. Globally over 63 million COVID-19cases and more than 1.4 million deaths have been reported to WHO. Throughout the world academicians, clinicians and scientists are working tirelessly on developing treatment to combat this pandemic. Origin of novel SARS-COV-2 virus still remain foggy but is believed to have originated from a bat coronavirus RaTG13 with which it shares approximately 96% sequence similarity. In the present review, authors have provide an overview of the COVID-19 pandemic, epidemiology, transmission, developments related to diagnosis, drugs and vaccines along with the genetic diversity and lifecycle of the SARS CoV2 based on the current studies and information available.