Start-ups are racing to develop Covid-19 ‘immunity passports’ — but experts warn they’re unethical
Taavet Hinrikus, co-founder and chair of TransferWise, at the WSJDLive Global Technology Conference in Laguna Beach, California on Oct. 25, 2016. Patrick T. Fallon | Bloomberg | Getty Images How do you get people back to work and traveling again without a coronavirus vaccine? That’s the question being asked right now by several tech start-ups… Read More »