How Well Do Face Masks Work Against COVID?

The video discusses the effectiveness of different masks against COVID-19, especially with the Omicron variant. A study from the University of Minnesota highlights how long various masks protect against infection. The study shows that fit-tested N95 masks offer the best protection, especially if both parties wear them. However, the study does not account for new variants like Omicron, which are more infectious. Despite no significant PPE shortage, alternatives like double masking are suggested. Expert Dr. Christian Reimer emphasizes the importance of using high-quality masks.

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