Test, track and trace, the strategy that the UK is now adopting to combat coronavirus, was developed in Asian countries in response to SARS. It has been used effectively in scenarios with very small levels of infection, but has never been proven in a country like the UK where the virus is already endemic.
Freddie Sayers spoke to Dr Jerome Kim and Professor Ben Cowling, senior experts in South Korea and Hong Kong respectively, to find out.
Have a look at these short clips and make your own mind up…
Dr Jerome Kim, Director General of the International Vaccine Institute in Seoul, South Korea.
Prof Ben Cowling, Head of the Division of Epidemiology and Biostatistics at Hong Kong University.