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Article

Effectiveness of Face Coverings in Mitigating the COVID-19 Pandemic in the United States

Department of Environmental Toxicology, The Institute of Environmental and Human Health, Texas Tech University, Lubbock, TX 79416, USA
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Academic Editor: Giuseppe Zoccai
Int. J. Environ. Res. Public Health 2021, 18(7), 3666; https://doi.org/10.3390/ijerph18073666
Received: 7 March 2021 / Revised: 22 March 2021 / Accepted: 29 March 2021 / Published: 1 April 2021
(This article belongs to the Section Environmental Health)
The COVID-19 pandemic has been one of the biggest public health challenges of the 21st century. Many prevalent measures have been taken to prevent its spread and protect the public. However, the use of face coverings as an effective preventive measure remains contentious. The goal of the current study is to evaluate the effectiveness of face coverings as a protective measure. We examined the effectiveness of face coverings between 1 April and 31 December 2020. This was accomplished by analyzing trends of daily new COVID-19 cases, cumulative confirmed cases, and cases per 100,000 people in different U.S. states, including the District of Columbia. The results indicated a sharp change in trends after face covering mandates. For the 32 states with face covering mandates, 63% and 66% exhibited a downward trend in confirmed cases within 21 and 28 days of implementation, respectively. We estimated that face covering mandates in the 32 states prevented approximately 78,571 and 109,703 cases within 21- and 28-day periods post face covering mandate, respectively. A statistically significant (p = 0.001) negative correlation (−0.54) was observed between the rate of cases and days since the adoption of a face covering mandate. We concluded that the use of face coverings can provide necessary protection if they are properly used. View Full-Text
Keywords: COVID-19; face covering; pandemic; SARS-CoV-2; state-wide mandate COVID-19; face covering; pandemic; SARS-CoV-2; state-wide mandate
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MDPI and ACS Style

Ayodeji, O.J.; Ramkumar, S. Effectiveness of Face Coverings in Mitigating the COVID-19 Pandemic in the United States. Int. J. Environ. Res. Public Health 2021, 18, 3666. https://doi.org/10.3390/ijerph18073666

AMA Style

Ayodeji OJ, Ramkumar S. Effectiveness of Face Coverings in Mitigating the COVID-19 Pandemic in the United States. International Journal of Environmental Research and Public Health. 2021; 18(7):3666. https://doi.org/10.3390/ijerph18073666

Chicago/Turabian Style

Ayodeji, Olukayode J., and Seshadri Ramkumar. 2021. "Effectiveness of Face Coverings in Mitigating the COVID-19 Pandemic in the United States" International Journal of Environmental Research and Public Health 18, no. 7: 3666. https://doi.org/10.3390/ijerph18073666

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