‘Vaccine passports’ are on the way, but developing them won’t be easy

https://www.msn.com/en-us/news/politics/e2-80-98vaccine-passports-e2-80-99-are-on-the-way-but-developing-them-won-e2-80-99t-be-easy/ar-BB1f39Cc

Dan Diamond, Lena H. Sun, Isaac Stanley-Becker

Washington Post

March 28, 2021