86 years of service to the nation
Begin typing your search above and press return to search.
2 fitted masks may double protection against Covid-19
National

'2 fitted masks may double protection against Covid-19'

NEW DELHI, April 19: 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...
X
sidekick