PHILADELPHIA -- The White House is weighing in the contentious topic of whether people will be required to carry so-called "vaccine passports" to show proof they have been immunized against COVID-19.

Gov. Ron DeSantis and other Republicans took aim at so-called “vaccine passports” as they pushed to end COVID-19 restrictions. But Norwegian Cruise Line Holdings had other ideas. After the cruise ...

Americans who have been vaccinated will soon want to travel abroad. How can they prove that without succumbing to some sort of private database, certain to be irresponsibly framed as an Orwellian ...

New York City’s system of government-mandated vaccine passports to enter most businesses is invasive and creepy. But after spending the last 48 hours in the city for work, I’ve quickly realized it’s ...

Katie Attwell is a specialist advisor to the Australian Technical Advisory Group on Immunisation. She is a past recipient of a Discovery Early Career Researcher Award funded by the Australian Research ...