How shall we improve human health? One answer is: by eradication. The Gates Foundation announced in 2007 that their goal is malaria eradication; another of their priorities is polio eradication. Eradication means the complete elimination of a disease through deliberate human intervention. It stands for an absolute in public health. This book by the award-winning historian of medicine Nancy Leys Stepan is an accessible, beautifully written, and deeply...