; commonly referred to as the Ryan White HIV/AIDS Program ), and health plans purchased through an American Health Benefit Exchange established pursuant to section 1311 of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18031 ); and (3) not later than 1 year after the date of the enactment of this Act, submit a report to the Congress on the status of activities under paragraphs (1) and (2). (b) Authorization of appropriations To carry out this section, there are authorized to be appropriated such sums as may be necessary for fiscal years 2019 through 2023. 746. Improving entry into and retention in care and antiretroviral adherence for persons with HIV (a) Sense of congress It is the sense of Congress that AIDS research has led to scientific advancements that have— (1) saved the lives of millions of people with HIV/AIDS; (2) prevented millions of people from being infected; and (3) had broad benefits that extend far beyond helping people at risk for or living with HIV. (b) In general The Secretary of Health and Human Services, acting through the Director of the National Institutes of Health, shall expand, intensify, and coordinate operational and translational research and other activities of the National Institutes of Health regarding methods— (1) to increase adoption of evidence-based adherence strategies within HIV care and treatment programs; (2) to increase HIV testing and case detection rates; (3) to reduce HIV-related health disparities; (4) to ensure that research to improve adherence to HIV care and treatment programs address the unique concerns of women; (5) to integrate HIV/AIDS prevention and care services with mental health and substance use prevention and treatment delivery systems; (6) to increase knowledge on the implementation of preexposure prophylaxis (referred to in this section as PrEP ), including with respect to— (A) who can benefit most from PrEP; (B) how to provide PrEP safely and efficiently; (C) how to integrate PrEP with other essential prevention methods such as condoms