Here's the truth about face masks. I'm not sick. Should I have to wear a face mask? Yes. COVID-19 can be spread by people with no symptoms, who don't even know they're sick. And as many as 35% of ...

Ms. Shahani Hettiarachchi, student of Postgraduate Institute of Science-PGIS, University of Peradeniya, Sri Lanka has developed and patented an antiviral face mask to combat pandemic diseases.