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Source: https://www.cbc.ca/news/health/covid-19-airborne-canada-masks-winter-1.6239322
Canadians looking for guidance on how to reduce their risk of COVID-19 indoors this winter may be feeling left out in the cold.The Public Health Agency of Canada (PHAC) now recommends opening windows to increase ventilation and using HEPA filters to clean indoor air, but it stops short of advocating for better-quality masks or saying outright that the virus is primarily airborne.
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