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Applying masks in schools is helping reduce the spread of COVID-19, according to a new study from the Centers for Disease Control and Prevention.
One study looked at data from schools in Maricopa and Pima counties in Arizona after resuming in-person learning in late July.
The two counties make up about 75 percent of the state’s population.
It was found that K-12 schools that did not have mask requirements at the start of the school year were 3.5 times more likely to have COVID-19 outbreaks than schools that required that everyone wears a mask indoors from the first day of school. .
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As part of the study, 999 schools were analyzed. Of those, 21% had an early mask requirement, 30.9% adopted a mask requirement between nine and 17 days after the start of the school year, and 48% had no mask requirement.
Of the 191 COVID-19 outbreaks that occurred in these schools, 113 were in schools that did not apply masks at all. Schools with early mask requirements recorded the lowest number of outbreaks.
Another CDC study looked at the impact of school mask warrants across the United States. In this, the researchers found that counties that did not have mask requirements in their schools had a higher rate of pediatric COVID-19 cases after the start of the school year than schools that had. requirements.
Schools that required masks had 16.32 cases per 100,000 children in the first week of class, while schools without had 34.85 cases per 100,000 children.
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