How concerned should we be about the summer Covid surge?

Just three months on from the last pandemic wave which swept across the country, Ireland is once again experiencing a surge in Covid cases. But was it expected this time round and how long will it last? Conor Pope speaks to virologist Dr Gerald Barry to find out. <br /><hr><p style='color:grey; font-size:0.75em;'> See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>