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Purpose: An important challenge for trachoma control strategies is to break the circle of poverty, poor hygiene and poor health by bringing its benefits to the poor. This article aims to assess to what extent trachoma is a disease of the poor, and trachoma services reach the poor in Tanzania and Vietnam., Methods: Individual level data on trachoma prevalence (active trachoma and trichiasis) and utilization of trachoma-related services were collected in both countries in 2004. Prevalence data were also available for Vietnam in 2001. We used household level data to construct an asset index as our living standards measure. Next, we related trachoma prevalence and service use to living standards, and used concentration indices to summarize and test the degree of inequality., Results: Trachoma prevalence was higher among the poorest groups in Tanzania. No such relation could be established in Vietnam where prevalence declined over the period 2001-2004 and particularly so among the least poor. Antibiotics were used more by the poorest in Tanzania and by the less poor in Vietnam. In both countries, there was no unequivocal pattern for the relation between living standards and the use of trachoma services., Conclusions: Trachoma is found to be a disease of the poorest in Tanzania, but not in Vietnam. In the latter country there are indications that district characteristics have an important impact on trachoma prevalence. The higher use of antibiotics among the better-off in Vietnam may have contributed to their larger decline in active trachoma prevalence between 2001 and 2004 compared to the poorer segments.

Tanzania was among the first countries to launch a trachoma control program with support from the International Trachoma Initiative (ITI) using surgery, antibiotics, facial cleanliness, and environmental improvement (SAFE) strategy with azithromycin. More than one million children less than 10 years of age in Tanzania have active disease and an estimated 54,000 people have trichiasis. Since 2000, Tanzania has implemented major health sector reform that have been carried out in three phases in 114 districts. A key aspect of the reform process is the policy of developing locally distributed essential health packages that then serve as the basis of the comprehensive council health plan. In 2002, the Tanzania Ministry of Health in collaboration with the ITI, the World Bank, and the office of the President embarked on a program of information for districts where trachoma is endemic but where no control program has been launched. Clear goals for the trachoma control program have been reviewed and discussed by the districts and as a result trachoma control was integrated into the comprehensive council health plans for 2003. This is expected to expand in 2004 and 2005. This work is presented as a model for the support and integration of disease-specific control efforts into the primary health care system.