The practice of multiple and concurrent partnerships (MCP) is highly prevalent in Mozambique with up to 40 percent of men reporting concurrency in some regions. An understanding of the contextual factors that influence the practice of MCP is necessary for developing effective strategies and interventions to address MCP and HIV prevention. The resources found here include a report on research conducted to better understand the factors influencing MCP and a report of a communication effort intended to raise awareness on the risks of MCP.