Vaccine Passport

 https://www.washingtonpost.com/lifestyle/travel/yellow-card-vaccine-passport/2020/12/30/746c0558-40b7-11eb-8db8-395dedaaa036_story.html

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​I’m a firm believer in vaccines,” says Sandra French, a retired college professor from New Albany, Ind. “I had polio before any vaccine for it was available, and I would not wish that experience on anyone. I will definitely get the covid-19 vaccine once it is available.”