4. COVID-19 Government Response Tracker (University of Oxford - Blavatnik School of Government) Bookmark Format Series - ongoing
10. Global Burden of Disease Study 2020, Release 1 (GBD 2020 R1) Routine Childhood Vaccination Coverage 1980-2019 Bookmark Format Series - ongoing
13. Governments' Economic Responses to COVID-19 (Econ-Response2covid19) Bookmark Format Series - ongoing
19. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing