Mathieu, E., Ritchie, H., Ortiz-Ospina, E. et al. A global database of COVID-19 vaccinations. Nat Hum Behav (2021). https://doi.org/10.1038/s41562-021-01122-8 The data has been obtained from different sources depending on the country: Afghanistan: World Health Organization (https://data.who.int/dashboards/covid19/) Albania: World Health Organization (https://data.who.int/dashboards/covid19/) Alger