; and (B) the Secretary of the Smithsonian Institution and the Director of the American Folklife Center at the Library of Congress, who shall each serve as an ex officio member. (2) Qualifications The members of the Advisory Panel who are appointed under subparagraph (A) of paragraph (1) shall include public health experts, public health advocates, educators, researchers, families and individuals affected by the COVID–19 Pandemic, public health workers including physicians and nurses, elected leaders of local governments, representatives of communities that are heavily affected by the Pandemic, and front-line personnel. (3) Deadline The members of the Advisory Panel shall be appointed not later than 90 days after the date of the enactment of this Act. (4) Compensation Members of the Advisory Panel shall serve without pay, but shall receive travel expenses, including per diem in lieu of subsistence, in accordance with applicable provisions under subchapter I of chapter 57 of title 5, United States Code. (5) Vacancy A vacancy in the Advisory Panel shall be filled in the same manner as the original appointment was made. (c) Staff (1) Appointment The Advisory Panel shall appoint and fix the pay of such personnel as it considers appropriate. (2) Nonapplicability of certain civil service laws The staff of the Advisory Panel may be appointed without regard to the provisions of title 5, United States Code, governing appointments in the competitive service, and may be paid without regard to the provisions of chapter 51 and subchapter III of chapter 53 of that title relating to classification and General Schedule pay rates, except that an individual so appointed may not receive pay in excess of the annual rate of basic pay for GS–15 of the General Schedule. (3) Experts and consultants The Advisory Panel may procure temporary and intermittent services under section 3109(b) of title 5, United States Code. (4) Staff of Federal agencies Upon request of the Advisory Panel, the head of any Federal department or agency may