{"id":9942,"date":"2021-05-21T11:15:59","date_gmt":"2021-05-21T18:15:59","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=9942"},"modified":"2021-05-24T11:16:42","modified_gmt":"2021-05-24T18:16:42","slug":"mask-use-and-ventilation-improvements-to-reduce-covid-19-incidence-in-elementary-schools-georgia-november-16-december-11-2020","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/21\/mask-use-and-ventilation-improvements-to-reduce-covid-19-incidence-in-elementary-schools-georgia-november-16-december-11-2020\/","title":{"rendered":"Mask Use and Ventilation Improvements to Reduce COVID-19 Incidence in Elementary Schools \u2014 Georgia, November 16\u2013December 11, 2020"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">An analysis of COVID-19 incidence in K-5 public schools in Georgia (N=169 schools, 91,893 students) found that incidence was 37% lower in schools that required teachers and staff to wear masks and 39% lower in schools that improved ventilation. Incorporating ventilation strategies to dilute airborne particles (opening windows and doors and\/or using fans) was associated with a 35% lower incidence of COVID-19, while dilution strategies in combination with filtration methods (use of HEPA filtration with or without purification using UV irradiation) were associated with a 48% lower incidence of COVID-19.\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Gettings et al. (May 21, 2021). Mask Use and Ventilation Improvements to Reduce COVID-19 Incidence in Elementary Schools \u2014 Georgia, November 16\u2013December 11, 2020. MMWR. Morbidity and Mortality Weekly Report. <\/span><\/i><a href=\"https:\/\/doi.org\/10.15585\/mmwr.mm7021e1\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.15585\/mmwr.mm7021e1<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An analysis of COVID-19 incidence in K-5 public schools in Georgia (N=169 schools, 91,893 students) found that incidence was 37% lower in schools that required teachers and staff to wear masks and 39% lower in schools that improved ventilation. Incorporating ventilation strategies to dilute airborne particles (opening windows and doors and\/or using fans) was associated&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/21\/mask-use-and-ventilation-improvements-to-reduce-covid-19-incidence-in-elementary-schools-georgia-november-16-december-11-2020\/\">Read more<\/a><\/div>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[35,38],"topic":[21],"class_list":["post-9942","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-schools","tag-transmission","topic-transmission"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=9942"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9942\/revisions"}],"predecessor-version":[{"id":9943,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/9942\/revisions\/9943"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=9942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=9942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=9942"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=9942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}