No single strategy will work on its own, and no one nation can work in isolation in the fight against these diseases. A unified approach based on sound principles needs to be implemented globally, regionally, and locally in order to have an appreciable impact. WHO has estimated that in 1995 around 340 million new cases of curable STDs occurred throughout the world in men and women 15-49 years old. In developing countries, STDs and their complications rank in the top five disease categories for which adults seek health care. There are several reasons why STDs continue to spread, and why their complications and long-term health effects continue to be a burden on individuals and communities.
Several factors hinder the effective prevention and control of STDs.
Many cases are asymptomatic, and there is widespread ignorance of STDs' causes, symptoms, cures, and possible consequences. As well, in many places STD services are unavailable or unsuitable for many potential clients, and prescribed treatments are often substandard. Early detection of symptomatic and asymptomatic infections.