Introduction -- Understanding the epidemic -- Learning from lives : individuals within a social context -- Understanding high-risk communities -- Making a diffe

Introduction -- Understanding the epidemic -- Learning from lives : individuals within a social context -- Understanding high-risk communities -- Making a diffe

World human population is expected to reach upwards of 9 billion by 2050 and then level off over the next half-century. How can the transition to a stabilizing

The United States has the dubious distinction of leading the industrialized world in overall rates of sexually transmitted diseases (STDs), with 12 million new