Digital vaccine passports could provide a path back to our pre-pandemic lives, but the route of return is an ethical minefield. China, Israel, and Bahrain have already begun rolling out digital vaccine certificates. On Wednesday, the EU announced its plan to join them. In theory, the passes can provide evidence that someone is safe to travel, return to the office, or enter leisure venues. But critics fear they will exacerbate inequalities and compromise data privacy. They also worry that even inoculated people can spread COVID-19. One of their biggest concerns involves the rollout of vaccines. People who get their jabs first — such as older…

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