Social distancing to slow the US COVID-19 epidemic: Longitudinal pretest-posttest comparison group study.
Mark J SiednerGuy HarlingZahra ReynoldsRebecca F GilbertSebastien J-P A HaneuseAtheendar S VenkataramaniAlexander C TsaiPublished in: PLoS medicine (2020)
Statewide social distancing measures were associated with a decrease in the COVID-19 case growth rate that was statistically significant. Statewide social distancing measures were also associated with a decrease in the COVID-19-attributed mortality growth rate beginning 7 days after implementation, although this decrease was no longer statistically significant by 10 days.