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Nat Commun ; 12(1): 3118, 2021 05 25.
Artigo em Inglês | MEDLINE | ID: mdl-34035295

RESUMO

Social distancing remains an important strategy to combat the COVID-19 pandemic in the United States. However, the impacts of specific state-level policies on mobility and subsequent COVID-19 case trajectories have not been completely quantified. Using anonymized and aggregated mobility data from opted-in Google users, we found that state-level emergency declarations resulted in a 9.9% reduction in time spent away from places of residence. Implementation of one or more social distancing policies resulted in an additional 24.5% reduction in mobility the following week, and subsequent shelter-in-place mandates yielded an additional 29.0% reduction. Decreases in mobility were associated with substantial reductions in case growth two to four weeks later. For example, a 10% reduction in mobility was associated with a 17.5% reduction in case growth two weeks later. Given the continued reliance on social distancing policies to limit the spread of COVID-19, these results may be helpful to public health officials trying to balance infection control with the economic and social consequences of these policies.


Assuntos
COVID-19/epidemiologia , COVID-19/prevenção & controle , Locomoção , Distanciamento Físico , Política de Saúde , Humanos , Saúde Pública , SARS-CoV-2 , Estados Unidos/epidemiologia
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