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More than six billion doses of anti-Covid vaccines have been given around the world. This is an overview of more than 20 approved vaccines currently in use, and a few that fell by the wayside
Some of the world's largest pharmaceutical companies have released their latest financial results which show how the Covid vaccines have added billions to their coffers
The EU's drug watchdog has approved the Pfizer/BioNTech coronavirus jab for 12 to 15-year-olds, the first vaccine to get the green light for children in the bloc
The subject of a sometimes acrimonious row between the EU and Britain, the AstraZeneca Covid-19 vaccine has also fuelled debate over its effectiveness among the elderly
Even if the coronavirus has mutated, German vaccine manufacturer BioNTech still believes that it is highly likely it can be combatted effectively. Company boss Ugur Sahin is considering new production facilities for the vaccine so that orders can be delivered earlier.
As Britain becomes the first Western country to approve a Covid-19 vaccine for general use, authorities in Europe, the US, Russia and China have also sped up their approval procedures
The EU's medicines regulator insists it has the "most appropriate" method to approve a coronavirus vaccine, after Britain became the first Western country to give one the green light
Positive results from trials of several vaccine candidates have raised hopes that there is light at the end of the tunnel in the quest to curb a pandemic that has already killed 1.4 million