The Effects of School Closures on Influenza Outbreaks and Pandemics: Systematic Review of Simulation Studies

Charlotte Jackson, Punam Mangtani, Jeremy Hawker, Babatunde Olowokure and Emilia Vynnycky

PLOS ONE, 2014, vol. 9, issue 5, 1-10

Abstract: Background: School closure is a potential intervention during an influenza pandemic and has been investigated in many modelling studies. Objectives: To systematically review the effects of school closure on influenza outbreaks as predicted by simulation studies. Methods: We searched Medline and Embase for relevant modelling studies published by the end of October 2012, and handsearched key journals. We summarised the predicted effects of school closure on the peak and cumulative attack rates and the duration of the epidemic. We investigated how these predictions depended on the basic reproduction number, the timing and duration of closure and the assumed effects of school closures on contact patterns. Results: School closures were usually predicted to be most effective if they caused large reductions in contact, if transmissibility was low (e.g. a basic reproduction number 90% reductions or even increases under certain assumptions). This partly reflected differences in model assumptions, such as those regarding population contact patterns. Conclusions: Simulation studies suggest that school closure can be a useful control measure during an influenza pandemic, particularly for reducing peak demand on health services. However, it is difficult to accurately quantify the likely benefits. Further studies of the effects of reactive school closures on contact patterns are needed to improve the accuracy of model predictions.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0097297

DOI: 10.1371/journal.pone.0097297

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