Required coverage of approved, recommended adult vaccines and their administration.

Regardless of the type of coverage elected by a State under subsection (a), if the State child health plan or a waiver of such plan provides child health assistance or pregnancy-related assistance (as defined in section 1397 ll of this title) to an individual who is 19 years of age or older, such assistance shall include coverage of vaccines described in section 1396d(a)(13)(B) of this title and their administration.