More US cities requiring proof of vaccination to go places

  • In this June 3 file photo, California Gov. Gavin Newsom walks with San Francisco Mayor London Breed on Geary Street to a news conference. San Francisco will require proof of full vaccination against COVID-19 for a number of indoor activities such as visiting restaurants, bars and gyms. (AP Photo/Eric Risberg,File)

Hold on to that vaccination card. A rapidly growing number of places across the U.S. are requiring people to show proof they have been inoculated against COVID-19 to teach school, work at a hospital, see a concert or eat inside a restaurant.