Drugmakers are racing to have COVID-19 vaccines approved after releasing promising early results.
It's 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's behind the hesitation?

Presenter: Imran Khan

Guests:

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

- Subscribe to our channel: http://aje.io/AJSubscribe
- Follow us on Twitter: https://twitter.com/AJEnglish
- Find us on Facebook: https://www.facebook.com/aljazeera
- Check our website: https://www.aljazeera.com/