A Systematic Analysis of Studies on Corona Virus Disease 19 (COVID-19) from Viral Emergence to Treatment.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has created tremendous panic around the globe amid rapid transmission and high mortality. The virus emerged from China in December 2019 and spread to over 200 countries. The number of cases in USA and Europe has surpassed that of China. Epidemiologists believe that more cases and deaths may occur till undefined time period. During the current health crisis when scientific community is battling hard to contain the COVID-19, provision of timely and authenticative information in a composite document based on recent findings carries substantial value. To the best of author's knowledge, there is no comprehensive review on COVID-19 till date. In this context, current manuscript is aimed to provide amalgamated information in a single document to healthcare professionals, researchers and the general public regarding the outbreak-turned-pandemic of COVID-19. This systematic review discusses epidemiology, pathogenesis, transmission, clinical manifestations, severity, treatment, prevention, vaccination, medication repositioning, potential drug candidates, and control and public awareness of COVID-19. Key Words: COVID-19, Pandemic, Epidemiology, Virology, SARS-CoV-2, World Health Organization, Corona Virus.