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COVID-19 infections following physical school reopening
  1. Oren Miron1,
  2. Kun-Hsing Yu2,
  3. Rachel Wilf-Miron3,
  4. Isaac Kohane2,
  5. Nadav Davidovitch1
  1. 1 Health Systems Management, Ben-Gurion University of the Negev, Beer Sheva, Israel
  2. 2 Biomedical Informatics, Harvard Medical School, Boston, Massachusetts, USA
  3. 3 School of Public Health, Tel Aviv University, Tel Aviv, Israel
  1. Correspondence to Mr Oren Miron, Ben-Gurion University of the Negev, Beer Sheva, Israel; orenmir{at}post.bgu.ac.il

https://doi.org/10.1136/archdischild-2020-321018

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    The USA closed most of its schools in March–April 2020, which was associated with reduced COVID-19 incidence.1 In August–September 2020, schools reopened, with many schools teaching remotely until they can safely teach physically.2

    We analysed COVID-19 incidence from Florida since its database provides incidence at ages 6–13 years (elementary school) and 14–17 years (high school). We extracted incidence by county and matched it with each county’s date of school reopening. We used a 7-day moving average. We aggregated the rates by counties with physical learning and counties with remote learning (the latter were Broward, Miami-Dade and Palm Beach). We calculated time points at which the trends changed in 10 days before reopening and 20 days from reopening, using JoinPoint-Regression. Lastly, we tested if trends were different between counties teaching physically and remotely. Tests were two …

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    Footnotes

    • Contributors OM had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Concept and design: all authors. Acquisition, analysis or interpretation of data: all authors. Drafting of the manuscript: OM. Critical revision of the manuscript for important intellectual content: K-HY, RW-M, IK and ND. Statistical analysis: OM, IK and K-HY.Study supervision: IK and ND.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; internally peer reviewed.