Book excerpt: "Chelsea Clinton and Devi Sridhar [believe that global health public-private partnerships] are not only important for combating infectious diseases; they also provide models for developing solutions to a host of other serious global health challenges and questions beyond health. But what do we actually know about the accountability and effectiveness of PPPs in relation to the traditional multilaterals? According to Clinton and Sridhar, we have known very little because scholars have not accumulated enough data or developed effective ways to assess them--until now"--Amazon.com.