A syringe filled with the Johnson & Johnson's one-dose COVID-19 vaccine is seen net to a vaccination card at the Vaxmobile, at the Uniondale Hempstead Senior Center, Wednesday, March 31, 2021, in Uniondale, N.Y. The Vaxmobile, is a COVID-19 mobile vaccination unit, sponsored by a partnership between Mount Sinai South Nassau and Town of Hempstead to bring the one-dose vaccine directly to hard-hit communities in the area. (AP Photo/Mary Altaffer)
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