Mask mandates work to protect kids, new CDC data shows: Public school districts with mask requirements had 23% lower rates of the coronavirus among students and staff than districts without mandates last fall, the study found.
/webmd/consumer_assets/site_images/article_thumbnails/video/1800x1200_krames_activating_health_how_mrna_vaccine_works_video.jpgDuring the study period, statewide COVID-19 community transmission levels declined from substantial to moderate, and vaccination coverage increased.
Among 26 districts that switched from a no-mask policy to a full or partial requirement during the study period, case rates dropped more than would have been expected based on community cases at the time, the study authors wrote. A week after a mask policy was put in place, case rates among students and staff decreased significantly.
The study still had several limitations. Since it was done from August to October, researchers aren’t sure whether the same results held once the Omicron variant became the dominant form of the coronavirus at the end of the year.rules, classroom ventilation, and whether people followed physical distancing guidelines.
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