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Given the continuing high cost to societies of the coronavirus pandemic in lost lives and economic hardship, dozens of potential vaccines are being developed and tested at record pace. The top US infectious diseases expert, Dr Anthony Fauci, says it鈥檚 unlikely but "not impossible" that a Covid-19 vaccine could win approval in October - an aim championed by President Trump. But there are growing concerns that the speed at which this is taking place may undercut public confidence in any vaccine produced. In the US, Democratic Vice Presidential nominee Kamala Harris says she 鈥渨ould not trust Donald Trump鈥� as the sole arbiter of whether a vaccine was safe and reliable. But even if a Covid-19 vaccine is ready soon, the WHO has warned that 鈥渧accine nationalism鈥� - which would see richer countries buying up the bulk of supplies leaving developing nations wanting - could extend the pandemic and delay a return to global economic growth. So how quickly could a vaccine be produced and distributed? And which people in which countries will get access to it first? Dan Damon and a panel of expert guests ask - when will we get a Covid-19 vaccine?