COVID Risk Assessment Tool

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COVID risk assessment tool

What is the risk of one person with COVID-19 attending your event? This COVID risk assessment tool breaks it down state by state, county by county.

A COVID risk assessment tool developed by Georgia Tech and Applied Bioinformatics Laboratory is a helpful gauge of how likely COVID could impact an event based on its size and location.

The risk level is the estimated chance (0-100 percent) that at least 1 COVID-19 positive individual will be present at an event, given the size of the event and the state or county in which it is taking place. Users can modify event size from 10 to 10,000. Also important is what is known as “ascertainment bias.” Based on seroprevalence data, the model assumes there are 10 times more cases than are being reported (a 10:1 ascertainment bias). In locations with more testing availability, that number would be different and could be set accordingly. Right now, a 20 percent ascertainment bias is probably applicable to much of the US, according to the web site.

The map makes an assumption of uniformity and independence, assuming that every person who comes to the event is exactly as likely to be infected as anyone else in the county (uniformity) and that their chances of being infected are independent from each other (independence). The risk calculations only tell how likely it is that at least one person at any event of a given size is infectious—not how likely it is that an attendee would be exposed or infected with COVID-19 at the event. Of course, there are numerous other variables so it is important to view the model with this in mind.

The tool also offers real-time COVID data by state and a tutorial for users.

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Barbara Scofidio is Editor of Prevue and heads up the Visionary Summits, our exclusive conference series targeting senior-level meeting and incentive planners. In her 30 years in the industry, she has become known for her passion around greening meetings, growing awareness of human trafficking and promoting CSR activities as part of business events. She is currently a member of SITE's Women IN Leadership committee and the media liaison for FICP's Education Committee. She was the first member of the media ever to be invited to sit on a committee by GBTA, where she spent three years on the Groups and Meetings Committee. She has also been an active member of SITE for 30 years, chairing its Crystal Awards committee and acting as a judge. Before joining Prevue in 2014, she served as Editor of Corporate Meetings & Incentives (MeetingsNet) for more than 20 years. She has a BA in Literature/Rhetoric from Binghamton University. Barbara is based outside Boston, in Groton, Mass.