From sporting arenas to colleges and cruise ships, many businesses are planning to ask customers to prove they've had their shots. Smartphone apps may be coming soon.
Gov. Brian Kemp says while the creation of COVID-19 vaccines is a scientific miracle, he does not support mandatory vaccination passports. But officials at Emory University say being vaccinated before you can travel is not a new idea.
That's when a vaccine for plague was invented — and authorities began to consider requiring proof of vaccination before visiting pilgrimage sites in India. The debate has raged ever since.