25. Global Health Expenditures by Services and Providers 2000-2017 Bookmark Format Series - completed
29. Governments' Economic Responses to COVID-19 (Econ-Response2covid19) Bookmark Format Series - ongoing
31. Health New Zealand Database on Tobacco Consumption and its determinants in 23 OECD Countries, 1960-2000 Bookmark Format Macrodata source
34. Imperial College London YouGov Covid 19 Behaviour Tracker Data Hub Bookmark Format Series - ongoing
39. Oxford Supertracker The Global Directory for COVID Policy Trackers and Surveys Bookmark Format Data archive or collection
40. Pre-Vaccine Era COVID-19 Infection Fatality Ratio Estimates by Age, Time, and Location 2020-2021 Bookmark Format Single study