There are 180 potential COVID-19 vaccines in development, but how likely are we to see one approved and licensed by the end of the year?

Paul Reid, managing director of Pfizer Ireland, believes there are strong signs that his company's experimental vaccine could soon be approved for emergency use, with 100 million doses already manufactured and ready to go.

Priscilla Lynch, clinical editor of the Medical Independent, joined us to discuss everything we know so far.