22. Governments' Economic Responses to COVID-19 (Econ-Response2covid19) Bookmark Format Series - ongoing
24. Health Behavior in School-aged Children (HBSC) Series (1995-1998, 2001-2002, 2005-2006, 2009-2010) Bookmark Format Series - ongoing
29. Oxford Supertracker The Global Directory for COVID Policy Trackers and Surveys Bookmark Format Data archive or collection
30. Pre-Vaccine Era COVID-19 Infection Fatality Ratio Estimates by Age, Time, and Location 2020-2021 Bookmark Format Single study