Covid-19 pandemic has caused a public health crisis with millions of infected cases around the globe. The virus allegedly originated in bats in Wuhan city of China and then transmitted to humans. The common symptoms of Covid-19 are fever, cough, breathlessness, fatigue etc that may progress to pneumonia and multi organ dysfunction leading to death. Till March 24, 2021, a total of 128M people were infected including 2.81M deaths worldwide. The mortality rate varies from 2-3%. The molecular diagnosis (RT-PCR) remains the trusted method. The role of antiviral agents is uncertain. Moreover, the first vaccine for Covid-19 is yet to be developed and the impact of preventive measures like social distancing, lockdown etc. is yet to be analyzed. Keywords: SARS-CoV-2, Pandemic, Respiratory Illness; RT-PCR