An outbreak of the novel coronavirus nCoV19 (SARS-CoV-2), responsible for the coronavirus disease-19 (COVID-19), was first detected in Hubei province, China, on December 31, 2019. It has rapidly spread globally with approximately 37,354,063 confirmed cases and 1,075,584 deaths till 10th October, 2020 [1]. World Health Organization (WHO) declared COVID- 19 pandemic on 11th March 2020.

SARS-CoV-2 primarily affects the respiratory system like severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). The disease has a diverse course; patients may range from asymptomatic to critical disease with respiratory failure, complicated by acute respiratory distress syndrome (ARDS).