Introduction
A deadly virus called coronavirus disease 2019(COVID-19)is running rampant across the globe. The first cases of COVID-19 were reported from Wuhan, China in Jan,2020 and spread across continents with an increasing number of cases and deaths day by day. On January 30, 2020, the World Health Organization (WHO) labeled the outbreak as a Public Health Emergency of International Concern (PHEIC). On February 12, 2020, the WHO named the disease, caused by this coronavirus, ”Coronavirus Disease 2019 (COVID-19)”.  More than 12million people worldwide have been infected with COVID-19 and 500 thousands people have died because of an infection with COVID-19.The WHO asserted that along the most common way of infection by respiratory droplets, is a transmission by aerosol, person-to-person and surface possible.