The world was caught off guards when Covid19 announced its arrival as a form of a pandemic across the globe within a month, inflicting mass casualties in developed countries as Europe and US after China unlike its 6 other disease in last 2 decades from SARS (2002), Bird flu (2005), Swine flu (2009), MERS (2012), Ebola (2014), Nipah (2018) to the present SARSnCOVID (2019).
While several…