Kyoungkyu Jeon, Dong-Il Kim
The Association between Low Body Weight and Scoliosis among Korean Elementary School Students
International journal of environmental research and public health
school closures may reduce size social networks among children potentially limiting infectious disease transmission estimate impact k12 closures reopening policies childrens social interactions covid19 incidence californias bay area collected data childrens social contacts assessed implications transmission using individualbased model elementary hispanic children contacts closures high school nonhispanic children respectively estimated spring 2020 closures elementary schools averted 2167 cases bay area 95 ci 985 5572 fewer middle 5884 95 ci 1478 11550 high school 8650 95 ci 3054 15 940 workplace 15 813 95 ci 9963 22 617 closures assumptions moderate community transmission estimated reopening fourmonth semester without precautions increase symptomatic illness among high school teachers additional 407 expected experience symptomatic infection 95 ci 19 611 middle school teachers 372 95 ci 46 581 elementary school teachers 41 95 ci 17 120 however found reopening policies elementary schools combine universal masking classroom cohorts could result withinschool transmissions high schools may require masking plus staggered hybrid schedule stronger community interventions eg remote work social distancing decreased risk withinschool transmission across measures studied influence community transmission minimized effectiveness withinschool measures increased