This article considers the investment case for using the Vi polysaccharide vaccine (Vi) in developing countries from two perspectives: reducing typhoid cases and limiting new health care spending. Consumer demand functions that predict probabilities of adults and children purchasing typhoid...

This paper reports the main findings from a multi-country research project designed to develop a better understanding of the performance of community-managed rural water supply systems in developing countries. Data was collected from households, village water committees, focus groups of village...