41. Imperial College London YouGov Covid 19 Behaviour Tracker Data Hub Bookmark Format Series - ongoing
42. Institutional Origins of COVID-19 Public Health Protective Policy Response (PPI) Bookmark Format Single study
47. Oxford Supertracker The Global Directory for COVID Policy Trackers and Surveys Bookmark Format Data archive or collection
48. Pre-Vaccine Era COVID-19 Infection Fatality Ratio Estimates by Age, Time, and Location 2020-2021 Bookmark Format Single study