Lin-Manuel Miranda arrives at the Vanity Fair Oscar Party in Beverly Hills, Calif. on Feb. 9, 2020, left, and Michelle Obama participates in the International Day of the Girl on NBC's "Today" show in New York on Oct. 11, 2018. Miranda and Obama will join other celebrities in “Roll Up Your Sleeves,” a vaccine initiative airing at 7 p.m. EDT Sunday on NBC,(AP Photo)
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