'Vaccine passports' are contentious but likely unavoidable, says bioethicist
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As people receive inoculations against COVID-19, communities around the world are working on steps to make sure people are safe when their economies reopen. One potential approach is a so-called "vaccine passport" that could act as proof of immunization at bars, restaurants, stadiums and theatres. Bioethecist Kerry Bowman says he has reservations about vaccine passports, but he's not sure they can be avoided.