Data on vaccine candidates is collected from the World Health Organisation. Clinical trials are then mapped by country from registry data in particular from the USA, Europe, China, or India, and expected age range of participant is extracted.
When clicking on a trial registered with clinicaltrials.gov, additional details are retrieved on the fly from that registry.
Public and private organisations are testing 137 vaccines through 532 clinical studies in humans, across 69 countries. 40 of them are targeting people under 18 years old. Across the world, 16 different vaccines are now approved for emergency, provisional, temporary, conditional or permanent use in 183 countries.
Additionally, 3 vaccine(s) have been suspended in 15 countries.
The list of approved vaccines around the world is collected from multiple sources and updated at least once daily. Approvals in the European Union are reflected in each member state when approval has been confirmed at individual country level.
Epidemiology data is retrieved on the fly from about-corona.net, where it is gathered from WHO situation reports and a range of government and other sources, ensuring it is always the most current.
The total number of vaccinations stands at 11,043,842,689, with 5,323,461,118 people vaccinated, and 4,796,012,106 having received all necessary doses.
The number of vaccinations is extracted from the daily-updated open access dataset of Our World in Data.