![The latest figures from the CDC show an alarming rise in the number of counties that are considered at high risk of community transmission.](https://abc17news.b-cdn.net/abc17news.com/2021/08/S174091930-300-375x225.jpg)
One month later: These maps show how quickly Covid engulfed the US again
By Priya Krishnakumar, CNN More than 98% of US residents now live in an area where there is a “high” or “substantial” risk of Covid-19 community transmission, up from 19% of residents only a month ago. This sharp turn has been driven in large part by the highly infectious Delta variant and low vaccination rates
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