The AstraZeneca vaccine was heralded as "the vaccine for the world" when it was first approved for use in the UK on December 30.
It is inexpensive and can be stored in normal fridges, unlike other vaccines. But its image has been marred by recent controversies.
This week on Beyond the Headlines, host Suhail Akram delves into the benefits and the risks of the Oxford-AstraZeneca vaccine.
What's the AstraZeneca blood clot risk and how does it compare to surgery and other medicines?
Europe divided on AstraZeneca vaccine after regulators find link to rare blood clots