1. [1] Worldometer/corona
2. [2] Covid World Vaccination Tracker - The New York Times, https://www.nytimes.com › interactive › covid-vaccination
3. [3] Coronavirus (COVID-19) Vaccinations - Statistics and Research https://ourworldindata.org › covid-vaccinations
4. [4] Rapid risk assessment: detection of new SARS-CoV-2 variants related to mink. European Centre for Disease Prevention and Control. 2020; Available from: https://www.ecdc.europa.eu/en/publications-data/detection-new-sars-cov-2-variants-mink
5. [5] Chantal Babb de Villiers (PHG Foundation) Laura Blackburn (PHG Foundation) Sarah Cook (PHG Foundation) Joanna Janus (PHG Foundation)SARS-CoV-2 variants, FIND, Publication date: 11 March 2021.