Drugmakers around the world are racing to have COVID-19 vaccines approved for wide use after releasing promising early results.
It is raising hopes that the pandemic can be brought under control.
The head of Australia’s national airline, Qantas, says vaccines should be mandatory for international travel in future.
However, surveys suggest some people are not willing to take the shot.
So what is behind the hesitation?
Presenter: Imran Khan
Dr Mati Hlatshwayo Davis – Infectious disease physician, Washington University School of Medicine
Shabir Madhi – Professor of Vaccinology, University of the Witwatersrand
Oksana Pyzik – Senior Lecturer and Global Health Adviser, University College London School of Pharmacy