Scientists at the Georgia Institute of Technology have created an interactive map that lets residents of the United States and some European countries track the risk of contracting COVID-19 at a gathering or event in their area. From the IFLScience article about the tool:
The risk level is estimated by working out the chance of at least one Covid-19 positive individual attending an event in a county given the size of the event. The information is all backed up by data obtained via serological surveys from each population to estimate real-time circulating infection rates.
“The site estimates the risk that one (or more than 20) individuals may have Covid-19 in events of different sizes. Which means that it's up to us to take steps to reduce that risk, by reconsidering attending events, physical distancing, or wearing a mask when physical distancing is not feasible,” they added.
So, for example, let’s take a look at a few different locations. You’ll see that the current risk (as of November 10, 2020) of attending a small event of 10 people in Norton County in Kansas is over 99 percent, according to the map. That means there’s over a 99 percent chance that someone attending that event has Covid-19. Alternatively, currently attending an event of 50 people at Palm Beach County in Florida is 56 percent, meaning there’s a 56 percent chance that someone attending that event has Covid-19.
Some of my US and European might find this useful. It's possible that they will update it to include Canadian data at some point, but in the meantime, if anyone reading this knows about a Canadian equivalent, please post a link in the comments.
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