654074 external_news 1641398794 1641398794 Maureen Downey, education columnist for the Atlanta Journal-Constitution, used the Georgia Tech-developed Covid-19 Event Risk Tool to determine which metro Atlanta school districts face the biggest risk of Covid infection as students head back to classes. The Tool was developed by Joshua Weitz, Professor and Tom and Marie Patton Chair in the School of Biological Sciences, Co-Director of the Interdisciplinary Ph.D. in Quantitative Biosciences, and Blaise Pascal International Chair of Excellence at the Ecole Normale Superieure; and Clio Andris, Assistant Professor of City & Regional Planning and Interactive Computing. Downey found that students and teachers in Douglas, Henry, Cobb, Fulton, and Rockdale counties face the highest risk, with a greater than 75 percent chance that a gathering of 25 people (an average class size) will have at least one person with Covid-19. 

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