Lacunae in the natural origin of severe acute respiratory syndrome coronavirus 2

Abstract

The exact origin of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) responsible for unleashing the pandemic Corona Virus Disease (Covid-19) is still not established unambiguously. The intermediate and reservoir hosts of SARS-CoV-2 need to be identified with clarity and how the disease exploded into a pandemic, inevitability needs urgent scientific answers to contain and prevent future pandemics and crises. This perspective provides awareness of the peculiar features of SARS-CoV-2 and inspects the gaps in the natural zoonotic origin of the pandemic.