It's another day looking at one of the 20 Most Influential Moments of the last 20 years; and today, it centered on an issue that we are still going through now...the Covid 19 pandemic. Englishman Ade Thomas tells Newstalk Breakfast why he decided to take part in the Oxford vaccine trial. Former Health Minister Simon Harris looks back to the start of the pandemic with Pat Kenny. Andrew Louth joins Andrea Gilligan to reflect on the loss of his grandmother to Covid - and the wider impact on his family. Tom Whipple, Science Editor from The Times London talks to Sean Moncrieff about what covid means for science journalists; and Kieran Cuddihy meets two people who were diagnosed with covid and live with the last effects of the virus.