Is your mask effective against COVID-19? Three questions you should ask yourself

By Fiona Henriquez, Professor of Parasitology, University of the West of Scotland
Mia Cousins Burleigh, Senior Technician, University of the West of Scotland
William MacKay, Reader in Healthcare Acquired Infections, University of the West of Scotland

The emergence of new, potentially more infectious, coronavirus variants has led many people to worry about the effectiveness of their masks in protecting themselves and other people from catching COVID-19. Some experts are recommending people wear two masks in order to increase the protection.

Masks have been the subject of much debate since the pandemic began. Today, most governments and health bodies recommend we wear them to prevent the transmission of COVID-19.…

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