; and (B) includes only the portion of the loan that is outstanding on the date the dentist involved begins the service specified in the agreement under subsection (a). (2) Dentist The term dentist means a graduate of a school of dentistry who has completed postgraduate training in general or pediatric dentistry. (3) HIV/AIDS The term HIV/AIDS means human immunodeficiency virus and acquired immune deficiency syndrome. (4) School of dentistry The term school of dentistry has the meaning given to that term in section 799B of the Public Health Service Act ( 42 U.S.C. 295p ). (5) Secretary The term Secretary means the Secretary of Health and Human Services. (f) Authorization of appropriations To carry out this section, there are authorized to be appropriated such sums as may be necessary for each of fiscal years 2019 through 2023. 752. Reducing new HIV infections among injecting drug users (a) Sense of congress It is the sense of Congress that providing sterile syringes and sterilized equipment to injecting drug users substantially reduces risk of HIV infection, increases the probability that they will initiate drug treatment, and does not increase drug use. (b) In general The Secretary of Health and Human Services may provide grants and technical assistance for the purpose of reducing the rate of HIV infections among injecting drug users through a comprehensive package of services for such users, including the provision of sterile syringes, education and outreach, access to infectious disease testing, overdose prevention, and treatment for drug dependence. (c) 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. 753. Report on impact of HIV/AIDS in vulnerable populations (a) In general The Secretary shall submit to Congress and the President an annual report on the impact of HIV/AIDS for racial and ethnic minority communities, women, and youth aged 24 and younger. (b) Contents The report under subsection