title: The Program Science initiative: improving the planning, implementation and evaluation of HIV/STI prevention programs.
abstract: In this article, the authors describe the Program Science initiative in detail, discuss some of its recent accomplishments and explore its significance and timeliness in light of the HIV prevention challenges. The authors also describe the Program Science series being launched and present a preview of future articles.
authors.affiliation: Division of STD Prevention, The National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention Centers for Disease Control and Prevention, 1600 Clifton Road, Mailstop E-02, Atlanta, GA 30333, USA. soa1@cdc.gov
authors.forename: Sevgi O
authors.initials: SO
authors.lastname: Aral
authors.forename: James F
authors.initials: JF
authors.lastname: Blanchard
mesh_terms: D006801:Humans; D015397:Program Evaluation / Q000379:methods*; D011787:Quality of Health Care / Q000706:statistics & numerical data*; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000517:prevention & control*