The Basics on Aerosols and Aerosol-generating Procedures

COVID-19 was first detected in Wuhan City, China in Dec 2019. Following the World Health Organisation declaration of it as a public health emergency of international concern and then subsequently, as a global pandemic, COVID-19 has been confirmed in over 180 countries, across all continents, except Antarctica. It has been called the “pandemic of the century”. What is the root