How vaccine passports might work in the US

Americans who want to go to concerts, fly on certain airlines or attend weddings in the next few months may have to prove they’ve been vaccinated against COVID-19. That approach has recently become a target for online misinformation and political spin.

Fox News host Tucker Carlson called the idea of vaccine passports "Orwellian" and said it could worsen vaccine hesitancy. Florida Gov. Ron DeSantis said it’s "completely unacceptable" for the government or businesses to ask Americans for proof of vaccination. Other conservative politicians and pundits have criticized vaccine passports as...