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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.
- 10.22605/RRH6596
- 2021/07
Apr 14, 2021 · Mean COVID-19 rates for states with at least 75% mask adherence in the preceding month was 109.26 per 100,000 compared to 249.99 per 100,000 for those with less adherence. Our analysis suggests high adherence to mask wearing could be a key factor in reducing the spread of COVID-19.
- Charlie B. Fischer, Nedghie Adrien, Jeremiah J. Silguero, Julianne J. Hopper, Abir I. Chowdhury, Mar...
- 10.1371/journal.pone.0249891
- 2021
- PLoS One. 2021; 16(4): e0249891.
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May 7, 2021 · Research suggests that mandatory mask-wearing policies correlated with a lower number of COVID-19 infections and deaths. Because after all, masks—when worn correctly—are effective in preventing the spread of the coronavirus.
Jun 16, 2021 · Results: After 60 days and at a national level, early implementation was associated with a 9% reduction in new COVID-19 cases (aRR = 0.91 [95% CI = 0.88, 0.95]) and a 16% reduction in new COVID-19 deaths (aRR = 0.84 [95% CI = 0.76, 0.93]). Conclusions:
Nov 4, 2021 · Considering the effects of mask in reproduction number \(R_0\), Li et al. 8 claimed that wearing face masks alongside the social distancing can flatten the epidemic curve.
- Ali Lafzi, Miad Boodaghi, Siavash Zamani, Niyousha Mohammadshafie, Veeraraghava Raju Hasti
- 2021
Aug 5, 2020 · That finding had a 90 percent confidence interval, which describes the likely range of estimated outcomes. That means mandated mask-wearing would have reduced U.S. fatalities by anywhere from 17,000 to 55,000 from April 1 through June 1.
Dec 4, 2020 · Even though mask use has risen in many states, the nation as a whole is on a troubling trajectory, with new daily cases, hospitalizations, and deaths all on the rise. Mokdad says he’s very ...
