Law's Sharona Hoffman says that people in other corners of the world may not have access to vaccines

‘Vaccine passports’ will help you travel abroad this year. But they won’t be without their challenges

CNBC: Sharona Hoffman, the Edgar A. Hahn Professor of Law at the School of Law and a professor in the Department of Bioethics at the School of Medicine, said that people from different countries, regions or communities may not have access to vaccines or COVID-19 testing in order to obtain a vaccine passport to travel abroad.