Derm Dx: Pink to flesh-colored papules on a young child

The patient is a 17-month-old Hispanic female with a 6-week history of a rash most prominent on her arms and legs. She was normally developed and afebrile. She had no lymphadenopathy or hepatosplenomegaly. A complete blood count reveals slight leukocytosis. Examination reveals multiple pink to flesh-colored papules and papulovesicles primarily of her extremities and buttocks.