and respiratory diseases For carrying out titles II, III, XVII, and XXI, and section 2821 of the PHS Act, titles II and IV of the Immigration and Nationality Act, and section 501 of the Refugee Education Assistance Act, with respect to immunization and respiratory diseases, $474,055,000. HIV/AIDS, viral hepatitis, sexually transmitted diseases, and tuberculosis prevention For carrying out titles II, III, XVII, and XXIII of the PHS Act with respect to HIV/AIDS, viral hepatitis, sexually transmitted diseases, and tuberculosis prevention, $1,132,278,000. Emerging and zoonotic infectious diseases For carrying out titles II, III, and XVII, and section 2821 of the PHS Act, titles II and IV of the Immigration and Nationality Act, and section 501 of the Refugee Education Assistance Act, with respect to emerging and zoonotic infectious diseases, $565,572,000. Chronic disease prevention and health promotion For carrying out titles II, III, XI, XV, XVII, and XIX of the PHS Act with respect to chronic disease prevention and health promotion, $911,821,000: Provided , That funds appropriated under this account may be available for making grants under section 1509 of the PHS Act for not less than 21 States, tribes, or tribal organizations: Provided further , That of the funds made available under this heading, $15,000,000 shall be available to continue and expand community specific extension and outreach programs to combat obesity in counties with the highest levels of obesity: Provided further , That the proportional funding requirements under section 1503(a) of the PHS Act shall not apply to funds made available under this heading. Birth defects, developmental disabilities, disabilities and health For carrying out titles II, III, XI, and XVII of the PHS Act with respect to birth defects, developmental disabilities, disabilities and health, $153,560,000. Public Health Scientific Services For carrying out titles II, III, and XVII of the PHS Act with respect to health statistics, surveillance, health informatics, and workforce