An Insight into Coronavirus: A Global Pandemic of the 21st Century

On March 11, 2020, World Health Organization (WHO) declared COVID-19 as a global pandemic. As of April 2020, COVID-19 has swept across 199 countries infecting more than a half a million people and killing more than 30, 000. Recent reports have shown an exponential increase in the number of cases day-by-day with highest number of reported cases in United States of America followed by Italy, Spain, China and other countries. This article attempts to enlighten a concise review on COVID-19- coronavirus, mechanism of action, modes of transmission and preventive measures. The objective of this review is to bring an awareness amongst common people.