Joshua Baker of the Perelman School of Medicine authored a study that found that counties with greater declines in workplace cellphone activity during stay-at-home orders had lower COVID-19 rates. “This analysis supports the incorporation of anonymized cellphone location data into modeling strategies to predict at-risk counties across the U.S. before outbreaks become too great,” he said.

September 1, 2020 ・ From U.S. News & World Report