Alliance for Pandemic Preparedness

September 3, 2020

Timing of State and Territorial COVID-19 Stay-at-Home Orders and Changes in Population Movement — United States

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  • Based on location data from mobile devices, mandatory stay-at-home orders issued by states or territories were associated with decreased median population movement compared to the period before orders were implemented. The period after the first state relaxed a stay-at-home order was associated with increased population movement even in states or territories that still had a mandate in place. The analysis included all 50 US states, the District of Columbia, and five US territories.

Moreland et al. (Sept 4, 2020). Timing of State and Territorial COVID-19 Stay-at-Home Orders and Changes in Population Movement — United States, March 1–May 31, 2020. MMWR. https://doi.org/10.15585/mmwr.mm6935a2