Marge Champion, a dancer and actress known for “Show Boat” and “Give a Girl a Break,” as well the model used by Walt Disney animators for the dancing in “Snow White and the Seven Dwarfs,” has died.

Quiñones’ death comes one day after he posted an Instagram photo of himself saying he was feeling “sluggish” from a cold, but had tested negative for COVID-19. A post shared by Adolfo “Shabba-Doo” ...