1 Université de Paris, Centre of Research Epidemiology and Statistics (CRESS), Inserm, and Cochrane France, Paris, France (I.B., A.C., P.R.).
2 Institute for Evidence in Medicine, Medical Center, and Faculty of Medicine, University of Freiburg, and Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany (J.J.M.).
3 Centre for Evidence-Based Medicine Odense, University of Southern Denmark, and Odense University Hospital, Odense, Denmark (A.H.).
4 Evidence Synthesis Ireland, Cochrane Ireland, and HRB Trials Methodology Research Network, National University of Ireland, Galway, Ireland (D.D.).
5 Epistemonikos Foundation and UC Evidence Center, Cochrane Chile Associated Center, Pontificia Universidad Católica de Chile, Santiago, Chile (G.R.).
6 Cochrane France, Paris, France (D.T.).
7 Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and University of Milan, Milan, Italy (G.G.).
These authors propose an “evidence ecosystem” for COVID-19–related studies that minimizes multiple low-quality reviews and helps connect evidence generation, synthesis, and decision making.