The 4 key questions policymakers should ask COVID-19 modelers

Gene Campbell, 89, who contracted coronavirus disease (COVID-19) at Life Care Center of Kirkland in early March, leaves Swedish Medical Center Edmonds with sons Todd Campbell, left and Charlie Campbell, right, after spending six weeks in the hospital in Edmonds, Washington, U.S. April 20, 2020.  REUTERS/Lindsey Wasson     TPX IMAGES OF THE DAY - RC2N8G9C9CZT

With decision-makers relying on a growing number of forecasts regarding COVID-19, it is important that they ask questions about how the projections were made. Image: REUTERS/Lindsey Wasson

Afreen Siddiqi
Research Scientist, MIT
Kaveri Iychettira
Post-doctoral Fellow, Belfer Center for Science and International Affairs at the Harvard Kennedy School.
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Models use data to compute results, so it is crucial to know where data comes from. Image: medRxiv
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