or other per- and polyfluoroalkyl substances (a) Presumption of service connection (1) For the purposes of section 1110 of this title, and subject to section 1113 of this title, each disease or illness specified in subsection (b) that becomes manifest in an individual described in paragraph (2) shall be considered to have been incurred or aggravated in the line of duty in the active military, naval, or air service, notwithstanding that there is no record of evidence of such disease or illness during the period of such service. (2) An individual described in this paragraph is— (A) a veteran who, during active military, naval, or air service, served at a military installation at which individuals were exposed to perfluorooctanoic acid or other per- and polyfluoroalkyl substances, including exposure through a well that provides water for human consumption that is contaminated with such substances