The Eastern Europe and Central Asia region has the world's fastestgrowing HIV epidemic. Although still concentrated, the epidemic has diversified, affecting several key populations in many countries. This change has increased the number of people in need, the ways the epidemic can spread, and...

This study aimed to estimate the cost-effectiveness and returns on investments of HIV prevention programs implemented during 2006-2010 and to identify the optimal allocation of resources across combinations of programs for an effective HIV prevention response to inform the prioritization of...

Compulsory drug detention centers (CDDCs) are common throughout Asia. However, medical treatments for substance use disorders, such as opioid agonist treatment (OAT), are generally unavailable in these settings. In this report, the authors compare the effectiveness of CDDCs with voluntary drug...

An accurate measurement of HIV incidence is a key for policy makers and HIV program managers directing national HIV response. However, there is no perfect method to measure or estimate the rate at which new HIV infections occur in a population. This review compiles and triangulates longitudinal...

This series is produced by the Health, Nutrition, and Population family (HNP) of the World Bank's Human Development Network (HDN). The papers in this series aim to provide a vehicle for publishing preliminary and unpolished results on HNP topics to encourage discussion and debate. The cost of a...