Nearly 180 vaccines are being trialled globally, but Oxford University's has been a frontrunner from the start. On Tuesday, a hitch in the road: the trial was paused in its third and final phase. Virologist Dr Elisabetta Groppelli joins Theodora Louloudis to discuss the significance of the decision, and whether global collaboration is needed to speed up the search. Read more about England's new lockdown rules: https://bit.ly/2FcTaG3 | Read more about the rise in cases in Italy and Portugal: https://bit.ly/3ih6OGr | What you can and can't do from Monday: https://bit.ly/3mcLFzN | For thirty days' free access to The Telegraph: www.telegraph.co.uk/audio | Email: [email protected] |