Professor Luke O'Neill joins Pat on the show this morning to discuss why it is essential to vaccinate the whole world.

Listen and subscribe to The Pat Kenny Show 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'.