; and (2) identification of gaps in research related to core public health infrastructure and recommendations of priority areas for such research. (i) Definition In this section, the term core public health infrastructure includes workforce capacity and competency; laboratory systems; health information, health information systems, and health information analysis; communications; financing; other relevant components of organizational capacity; and other related activities. (j) Authorization of appropriations To carry out this section, there are authorized to be appropriated— (1) for fiscal year 2020, $300,000,000; (2) for fiscal year 2021, $350,000,000; (3) for fiscal year 2022, $400,000,000; (4) for fiscal year 2023, $450,000,000; and (5) for fiscal year 2024, $500,000,000. 45003. Core public health infrastructure and activities for CDC (a) In general The Secretary acting through the Director of the Centers for Disease Control and Prevention (in this section referred to as the Secretary ) shall expand and improve the core public health infrastructure and activities of the Centers for Disease Control and Prevention to address unmet and emerging public health needs. (b) Report The Secretary shall submit to the Congress an annual report on the activities funded through this section. (c) Definition In this section, the term core public health infrastructure has the meaning given to such term in section 45002. (d) Authorization of appropriations To carry out this section, there is authorized to be appropriated $350,000,000 for each of fiscal years 2020 through 2024. V Brownfields Redevelopment 50001. Authorization of appropriations Section 104(k)(13) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k)(13) ) is amended to read as follows: (13) Authorization of appropriations There is authorized to be appropriated to carry out this subsection— (A) $350,000,000 for fiscal year 2020; (B) $400,000,000 for fiscal year 2021; (C) $450,000,000 for fiscal year 2022