The challenges of a vaccine-passport future

As more and more vaccines roll out, travel looks set to resume this year. Many countries, including European Union member states, are looking into digital vaccine passports to make international travel more secure. But there are concerns over privacy and fairness with these so-called vaccine passports. Host Marco Werman speaks with Arthur Caplan, director of the Division of Medical Ethics at New York University’s Grossman School of Medicine.

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