In this July 30, 2021 file photo, Bradley Sharp, of Saratoga, N.Y., gets the Johnson & Johnson vaccine from registered nurse Stephanie Wagner, in New York. Sharp needs the vaccination because it is required by his college. Hundreds of college campuses across the country have told students that they must be fully vaccinated against COVID-19 before classes begin in a few weeks. (AP Photo/Mark Lennihan, File)
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