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Half of U.S. adults don't wear masks when in close contact with non-household members > News > USC Dornsife
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Face masks are seat belts of the new age. 900 days into pandemic, most don't follow the important Covid protocol - The Economic Times
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The psychology of masks: why have so many people stopped covering their faces? | Coronavirus | The Guardian
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Risk Analysis in the COVID-19 Pandemic: Weighing the Cost and Benefits of Vaccines and Masks | Executive and Continuing Professional Education | Harvard T.H. Chan School of Public Health
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