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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Epidemiol+Infect 2021 ; 149 (ä): e233 Nephropedia Template TP
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Closing lower secondary schools had no impact on COVID-19 incidence in 13-15-year-olds in Finland #MMPMID34698006
Juutinen A; Sarvikivi E; Laukkanen-Nevala P; Helve O
Epidemiol Infect 2021[Oct]; 149 (ä): e233 PMID34698006show ga
School lockdowns have been widely used to control the COVID-19 pandemic. However, these lockdowns may have a significant negative impact on the lives of young people. In this study, we have evaluated the impact of closing lower secondary schools for COVID-19 incidence in 13-15-year-olds in Finland, in a situation where restrictions and recommendation of social distancing were implemented uniformly in the entire country. COVID-19 case numbers were obtained from the National Infectious Disease Registry (NIDR) of the Finnish Institute for Health and Welfare, in which clinical microbiology laboratories report all positive SARS-CoV-2 tests with unique identifiers in a timely manner. The NIDR is linked to population data registry, enabling calculation of incidences. We estimated the differences in trends between areas with both restaurant and lower secondary school closures and areas with only restaurant closures in different age groups by using joinpoint regression. We also estimated the differences in trends between age groups. Based on our analysis, closing lower secondary schools had no impact on COVID-19 incidence among 13-15-year-olds. No significant changes on COVID-19 incidence were observed in other age groups either.