Sci Show: Residents in all 25 of the U.S. counties hardest hit by COVID-19 began to limit their public movements six to 29 days before states implemented stay-at-home orders. The decline in the number of daily trips people made as tracked by mobile phone data helped slow the spread of the virus

Saturday, July 4, 2020

Residents in all 25 of the U.S. counties hardest hit by COVID-19 began to limit their public movements six to 29 days before states implemented stay-at-home orders. The decline in the number of daily trips people made as tracked by mobile phone data helped slow the spread of the virus

https://ift.tt/2NNXpJ2 via /r/science https://ift.tt/3gr2dA2

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