In the absence of a vaccine or antiviral medicine wearing a face mask frequent hand-washing and social distancing are considered to be the best preventive measures to slow the spread of the novel coronavirus. The new virus is transmitted through respiratory droplets released by infected an infected person while talking sneezing or coughing. Wearing a face mask is a simple and easy way to reduce the expulsion of respiratory droplets and protect others as well as yourself from COVID-19 – the disease caused by the novel coronavirus. But how effective is your face mask in reducing the expulsion/prevention of viral