Covid: Why the sharp rise in cases?

Two years on from the first lockdown, cases are on the rise once again. But what’s behind this latest spike? And what have we learnt since the pandemic began that can help us as we prepare to live with COVID?<br /><br />On the Sky News Daily podcast, science and technology editor Tom Clarke is joined by Dr Susan Hopkins, chief medical adviser to the UK Health Security Agency Professor, John Edmunds, an epidemiologist at the London School of Hygiene and Tropical Medicine, and Professor Sir Andrew Pollard, who heads the Oxford Vaccine Group.<br /><br />Producer: Emma Rae Woodhouse <br />Junior producer: Aishah Rahman <br />Digital producer: David Chipakupaku <br />Editor: Philly Beaumont