International

Wearing two fitted masks may double protection against COVID-19: Study

New Delhi: Wearing two tightly-fitted face masks can nearly double the effectiveness of filtering out SARS-CoV-2-sized particles, preventing them from reaching the wearer”s nose and mouth and causing COVID-19, according to a study. The research, published in the journal JAMA Internal Medicine, shows that the reason for the enhanced filtration is not so much adding […]