Covid: How to prevent a future pandemic

The UK government has set up the new UK Health Security Agency (UKHSA) which began it's work on Thursday. It brings together Public Health England (PHE), NHS Test and Trace and the Joint Biosecurity Centre (JBC). Dr Jenny Harries, who has stepped down as England’s deputy chief medical officer and been appointed Chief Executive of the UKHSA. She spoke to Today programme's Justin Webb about the mission of the new agency and how it will protect the UK from future pandemics. (Image: Dr Jenny Harries, Credit: Press Association)