Thousands of people have received a COVID-19 vaccine in Hong Kong on the first day of a mass roll-out.
They were given a choice of three jabs.
But the Chinese-developed Sinovac is facing extra scrutiny after it was authorised before clinical trial results were published.
Al Jazeera's Sarah Clarke reports from Hong Kong.
- 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/
#AlJazeeraEnglish #HongKong #COVID19