Last century, the invention of the outhouse helped to eliminate hookworm and other parasites in the United States. Now new research shows that the lowly latrine could be a powerful tool in controlling these diseases, which remain widespread among the world's poorest people.

Albert B Sabin is probably best known for his work and research on the polio virus. During World War II he worked on and developed vaccines for encephalitis (sleeping sickness), sand-fly fever and dengue fever as well. It is his work into dengue fever during this time that is now having possible implications for vaccine development today — 60 years later.