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How likely is it you’ll encounter at least one person who is infected with the coronavirus if you go to a bar in Denver? What about a 100-person wedding in Baltimore? Or a Thanksgiving dinner with 25 guests in Los Angeles?

The answers to these questions — and many more — can be found on the free, intuitive and now peer-reviewed COVID-19 Risk Assessment Planning Tool. Built by a team of researchers at Georgia Tech, the tool is designed to help policymakers, event planners and individuals easily grasp the risks associated with gatherings of different sizes throughout the United States and, increasingly, across the world.

(And if you’re curious, as of Monday, you’d have a 78% chance of encountering someone with an active coronavirus infection at the Denver bar, a 68% chance at the wedding in Baltimore, and a roughly 25% chance at the L.A. Thanksgiving meal.)

The COVID-19 Risk Assessment Planning Tool was conceived in March by Joshua Weitz, a quantitative biologist at Georgia Tech who wanted an easy way to quantify the risk of attending events of various sizes in different locations.

Read the full story on LATimes.com.