Strong Social Distancing Measures In The United States Reduced The COVID-19 Growth Rate.

@article{Courtemanche2020StrongSD,
  title={Strong Social Distancing Measures In The United States Reduced The COVID-19 Growth Rate.},
  author={Charles Courtemanche and Joseph Garuccio and Anh Mai Le and Joshua C. Pinkston and Aaron Yelowitz},
  journal={Health affairs},
  year={2020},
  pages={
          101377hlthaff202000608
        }
}
State and local governments imposed social distancing measures in March and April of 2020 to contain the spread of novel coronavirus disease 2019 (COVID-19). These included large event bans, school closures, closures of entertainment venues, gyms, bars, and restaurant dining areas, and shelter-in-place orders (SIPOs). We evaluated the impact of these measures on the growth rate of confirmed COVID-19 cases across US counties between March 1, 2020 and April 27, 2020. An event-study design allowed… 
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Statewide stay-at-home orders and limits on bars and restaurants were most closely linked to reduced mobility in the early stages of the COVID-19 pandemic, whereas the potential benefits of other such policies may have already been reaped from voluntary social distancing.
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Early Evidence on Social Distancing in Response to COVID-19 in the United States
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