As coronavirus has spread across continents, our way of life has completely changed. Planes have ground to a halt, borders closed off and families separated. But now, as vaccination programmes surge ahead, the aviation industry is working with governments to try to secure safe and efficient ways to travel. A digital proof of one’s vaccination status, a vaccine passport, is being welcomed as the key to reigniting the travel sector -  a way to ensure all those travelling can verify their Covid status and ensure a smooth process in airports around the world. But there are many opposed to such a system, citing concerns about data privacy and fears of it leading to an unequal world. On this week's Beyond The Headlines host Suhail Akram asks: are vaccine passports necessary or will they make travel discriminatory?