One in five people in the United States had a sexually transmitted infection (STI) on any given day in 2018, totaling nearly 68 million estimated infections. STIs are often asymptomatic (especially in women) and are therefore often undiagnosed and unreported. Untreated STIs can have severe health consequences, including chronic pelvic pain, infertility, miscarriage or newborn death, and increased risk of HIV infection, genital and oral cancers, neurological and rheumatological effects. In light of this, the Centers for Disease Control and Prevention, through the National Association of County and City Health Officials, commissioned the National Academies of Sciences, Engineering, and Medicine to convene a committee to examine the prevention and control of sexually transmitted infections in the United States and provide recommendations for action. In 1997, the Institute of Medicine released a report, The Hidden Epidemic: Confronting Sexually Transmitted Diseases. Although significant scientific advances have been made since that time, many of the problems and barriers described in that report persist today; STIs remain an underfunded and comparatively neglected field of public health practice and research. The committee reviewed the current state of STIs in the United States, and the resulting report, Sexually Transmitted Infections: Advancing a Sexual Health Paradigm, provides advice on future public health programs, policy, and research.

This report presents three hypothetical case studies for how the AIDS epidemic in Africa could evolve over the next 20 years based on policy decisions taken today by African leaders and the rest of the world; and considers the factors likely to drive the future responses of African countries and the international community. The scenarios draw on the age-old tradition of story-telling, rather than using data projections, to explore the wider context of the AIDS epidemic, reflecting the complexity of the subject matter.

The report titled The Urgency of Now: AIDS at a Crossroads, demonstrates the HIV response is at a crossroads: success or failure will be determined by which path leaders take. The report shows that the decisions leaders make this year will determine whether AIDS is ended as a public health threat by 2030. Taking the wrong path, by limiting resourcing or clamping down on human rights, would lead the pandemic to continue to grow, costing millions more lives and undermining global health security.

The purpose of this document is to provide guidance to national AIDS programmes and partners on the use of indicators to measure and report on the country response. The 2016 United Nations Political Declaration on Ending AIDS, adopted at the United Nations General Assembly High-Level Meeting on AIDS in June 2016, mandated UNAIDS to support countries in reporting on the commitments in the Political Declaration. The Political Declaration on Ending AIDS built on three previous political declarations: the 2001 Declaration of Commitment on HIV/AIDS, the 2006 Political Declaration on HIV/AIDS and the 2011 Political Declaration on HIV and AIDS.

"We have a real opportunity now to make progress that will mean longer healthier lives for millions of people.