Professor Philip Nolan who chairs the epidemiological modelling advisory group at the National Public Health Emergency Team joins Gavan Reilly On The Record.Listen and subscribe to On The Record with Gavan Reilly on Apple Podcasts, Google Podcasts and Spotify.Download, listen and subscribe on the Newstalk App.You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.