Eradicating smallpox -- Preventing HIV/AIDS and sexually transmitted infections in Thailand -- Controlling tuberculosis in China -- Reducing child mortality through vitamin A in Nepal -- Eliminating polio in Latin America and the Caribbean -- Saving mothers' lives in Sri Lanka -- Controlling onchocerciasis (river blindness) in sub-Saharan Africa -- Preventing diarrheal deaths in Egypt -- Improving the health of the poor in Mexico -- Controlling trachoma in Morocco -- Reducing guinea worm in Asia and sub-Saharan Africa -- Controlling chagas disease in the Southern cone of South America -- Reducing fertility in Bangladesh -- Curbing tobacco use in Poland -- Preventing iodine deficiency disease in China -- Preventing neural-tube defects in Chile -- Eliminating measles in Southern Africa -- Preventing dental caries in Jamacia -- Treating cataracts in India -- Preventing hib disease in Chile and the Gambia.