The COVID-19 dataset Global.health has great promise, but is badly flawed. Its data is old and low quality. — Summary The COVID-19 dataset Global.health (G.h) began almost three years ago with great promise. It is funded by Google.org, Rockefeller Foundation, Boston Children’s Hospital and others, with academic support from University of Oxford, Northeastern University, Harvard Medical School and others. Its salient feature is individual person-level data for COVID-19 cases worldwide…