A recent survey found that 40% of Americans plan to attend a Thanksgiving gathering with 10 or more people. Here are the odds of encountering a Covid-positive person at one of those gatherings. washingtonpost.com/business/2020/… 
Caveat: These numbers will only look worse on Thanksgiving day given the uncontrolled spread everywhere. washingtonpost.com/business/2020/…
Data comes from @joshuasweitz's COVID-19 Event Risk Assessment Planning Tool, which was recently peer-reviewed in Nature.
Tool here: covid19risk.biosci.gatech.edu
Nature article here: nature.com/articles/s4156…
Tool here: covid19risk.biosci.gatech.edu
Nature article here: nature.com/articles/s4156…
An illustration of how rapidly these numbers are deteriorating: On Monday, when I pulled the data for the story, my county's 10-person event risk was 63 percent. In today's update, that number is up to 70 percent. washingtonpost.com/business/2020/…
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