Alliance for Pandemic Preparedness

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March 12, 2021

Effectiveness of Three versus Six Feet of Physical Distancing for Controlling Spread of COVID-19 among Primary and Secondary Students and Staff: A Retrospective, State-Wide Cohort Study

Increasing physical distancing requirements in schools from ≥3 feet to ≥6 feet was not associated with a reduction in SARS-CoV-2 cases among students or staff if other mitigation measures were implemented, based on a retrospective cohort study of students (n=537,336) and staff (n=99,390) among 251 school districts with any in-person learning in Massachusetts during the…