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  1. Nov 11, 2020 · Methods. We examined a total of 13,723,810 responses to a daily cross-sectional online survey in 38 countries of people who completed from April 23, 2020 to October 31, 2020 and reported having been in public at least once during the last 7 days. The outcome was individual face mask usage in public settings, and the predictors were country ...

    • 10.1186/s12889-021-12175-9
    • 2021
    • BMC Public Health. 2021; 21: 2099.
  2. Jul 17, 2020 · People wearing a face mask in public in France 2022, by age Percentage of U.S. adults who reported wearing a face mask Apr.-Jun. 2020, by age + Premium statistics

  3. Feb 13, 2024 · Juliette Gagliardi , Feb 13, 2024. As of January 10, 2021, significant differences still existed between European countries in terms of wearing a face mask outside to protect the individual and ...

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  5. Jun 6, 2023 · An increase of 100% of the proportion of people declaring wearing a mask (multiply by two) over the studied period lead to a reduction of around 12 and 13.5% of the number of Covid-19 infected ...

  6. Mar 7, 2023 · Three years after the COVID-19 pandemic was declared, and masks became a primary tool to combat the disease’s spread, their usage has dropped off dramatically around the world. But many Mexicans are holding on to their facial coverings, and cultural differences are impacting mask use around the globe. The World. March 7, 2023.

  7. The median daily COVID-19 case rate between 15 June and 1 July 2020 was 243 per 100 000. The five counties with the highest percentages of mask wearing were in California, Virginia, and Florida (average IRR score = 0.42; Table 2 ). The average IRR score for the bottom five counties was 0.55, or more rural.

  8. Sep 15, 2022 · Masks have been widely recommended as a precaution against COVID-19 transmission. Several studies have shown the efficacy of masks at reducing droplet dispersion in lab settings. However, during the early phases of the pandemic, the usage of masks varied widely across countries. Using individual response data from the Imperial College London—YouGov personal measures survey, this study ...

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