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An evidence-based theory of change for reducing SARS-CoV-2 transmission in reopened schools
Chris Bonell, G.J. Melendez-Torres, Russell M. Viner, M. Brooke Rogers, Michael Whitworth, Harry Rutter, G. James Rubin, George Patton
OAI: oai:purehost.bath.ac.uk:publications/76b06222-6c53-44b9-b29e-8f7788ed6299 • DOI: https://doi.org/10.1016/j.healthplace.2020.102398
Abstract
Schools have closed worldwide as part of measures to prevent SARS-CoV-2 transmission but are beginning to reopen in some countries. Various measures are being pursued to minimise transmission but existing guidance has not developed a comprehensive framework or theory of change. We present a framework informed by the occupational health hierarchy of control and a theory of change informed by realist approaches. We present measures focused on elimination, substitution, engineering, administration, education and personal protective equipment. We theorise that such measures offer a means of disrupting SARS-CoV-2 transmission via routes involving fomites, faeco-oral routes, droplets and aerosols.