Chapter 2: Changing sexual mores and disease transmission.

Chapter 2 of the book "The Social Ecology of Infectious Diseases" edited by Kenneth H. Mayer and H. F. Pizer is presented. It explores the dynamics of the social ecology of sexually transmitted infections (STI), including HIV infections or AIDS. It highlights three fundamental sociocultural movements which have been linked to how and when individuals find sexual partners. It also discusses a series of social changes and evaluates the impact they had on sexual behaviors and STI in the U.S.