What is it about?
A study observed 100 people wearing masks in public indoor places. 73 wore masks incorrectly - either cloth masks or surgical masks worn loosely. Only 27 wore surgical masks tightly against their face. No one wore an N95 respirator. People were nearly 3 times more likely to wear masks incorrectly than correctly.
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Why is it important?
This study provides real-world data on how well people wear masks. It shows most do not wear them correctly, which reduces their effectiveness. This information can guide public health messaging to improve mask-wearing.
Perspectives
I found this observational study's results concerning but not surprising. I often see patients wearing cloth or surgical masks loosely. Many may not realize that masks must seal tightly to the face and fit snugly to work well. This study quantifies the problem - incorrect mask use was very common. Public health campaigns should demonstrate proper mask techniques. People also need access to high-quality, well-fitting masks. I hope research like this improves mask-wearing so they can be utilized properly.
Thomas F Heston MD
University of Washington
Read the Original
This page is a summary of: Incorrect Versus Correct Mask Utilization in Public Places, July 2023, Cold Spring Harbor Laboratory Press,
DOI: 10.1101/2023.07.10.23292470.
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