; and (C) by adding at the end the following: (iv) priority virus families and other viral pathogens with a significant potential to cause a pandemic. . (b) Contract notification Section 319L(c)(5) of the Public Health Service Act (42 U.S.C. 247d–7e(c)(5)) is amended by adding at the end the following: (I) Duration A contract, grant, cooperative agreement, or other transaction entered into under this section shall be for a period not to exceed five years, except that, in first awarding the grant or entering into the contract, cooperative agreement, or other transaction, the Secretary may provide for a longer duration, not exceeding 10 years, if the Secretary determines that complexities or other difficulties in performance under the contract, grant, cooperative agreement, or other transaction justify such a period. The contract, grant, cooperative agreement, or other transaction shall be renewable for additional periods, none of which shall exceed five years. The Secretary shall notify the vendor within 90 days of a determination by the Secretary to modify, renew, extend, or terminate such contract, grant, cooperative agreement, or other transaction. . (c) Authorization of appropriations Section 319L(d)(2) of the Public Health Service Act (42 U.S.C. 247d–7e(d)(2)) is amended by striking $611,700,000 for each of fiscal years 2019 through 2023 and inserting $950,000,000 for each of fiscal years 2024 through 2028 . (d) Inapplicability of certain provisions sunset Section 319L(e)(1)(D) of the Public Health Service Act (42 U.S.C. 247d–7e(e)(1)(D)) is amended by striking on the date that is 17 years after the date of enactment of the Pandemic and All-Hazards Preparedness Act and inserting on October 1, 2028 . 109. Ensuring collaboration and coordination in medical countermeasure development Section 319L–1(b) of the Public Health Service Act (42 U.S.C. 274d–7f(b)) is amended by striking at the end of the 17-year period that begins on the date of enactment of this Act and inserting on October 1, 2028 . 110. Review of