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oneindia.com - 15 days ago

Should you be double masking to protect from Covid-19? What types of masks and how to use it?

New Delhi, Apr 21: A new study published in JAMA Internal Medicine shows that wearing two face coverings 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


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