Authors: Tom H. Karlsen  Nature Genetics volume 54, pages368–369 (2022)Cite this article 8742 Accesses 1 Citations 87 Altmetric Defining the most appropriate phenotypes in genome-wide association studies of COVID-19 is challenging, and two new publications demonstrate how case-control definitions critically determine outcomes and downstream clinical utility of findings. Exploring self-reported data from more than 700,000 participants in a direct-to-consumer ancestry genetics […]