; and (2) demonstrate experience through collaborations and partnerships for delivering services described in subsection (c). (e) Authorization of appropriations There is authorized to be appropriated to carry out this section $1,000,000 for each of fiscal years 2019 through 2023. . 3. Sense of Congress It is the sense of Congress that additional research is needed to improve the understanding of the epidemiology of sudden unexpected infant and childhood deaths that remain unexplained following a comprehensive, standardized autopsy and appropriate ancillary testing. 4. Report to Congress Not later than 1 year after the date of enactment of this Act, and biennially thereafter, the Secretary of Health and Human Services, acting through the Director of the Centers for Disease Control and Prevention and in consultation with the Director of the National Institutes of Health and the Administrator of the Health Resources and Services Administration, shall submit to the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Energy and Commerce of the House of Representatives a report that contains, with respect to the preceding reporting period— (1) information regarding the absolute number and incidence of sudden unexpected infant death, the absolute number and incidence of sudden unexpected death in childhood, information about the number of such infant and child deaths that remain unexplained, information about such conditions by racial and ethnic groups, information about such conditions by State, aggregate information obtained from death scene investigations and autopsies, and recommendations for reducing the incidence of sudden unexpected infant death and sudden unexpected death in childhood; (2) an assessment of the extent to which various approaches of preventing sudden unexpected infant death have been effective; (3) a description of the activities carried out under part W of title III of the Public Health Service Act (as added by section 2)