The vaccination dataset uses the most recent official numbers from governments and health ministries worldwide. The population estimates are used to calculate per-capita metrics are all based on the last revision of the United Nations World Population Prospects. A full list of the country-specific sources is available at the bottom of this page, and also frequently-asked questions.
Global Cases by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins
Read the scientific latest articles in PubMed about Covid-19.
PubMed is a free resource supporting the search and retrieval of biomedical and life sciences literature with the aim of improving health–both globally and personally.