The global AIDS pandemic furnishes a case study for many of the themes addressed throughout the course. While in the developed West the disease largely afflicts concentrated high-risk groups such as intravenous drug users and the sexually promiscuous, in Southern Africa it is much more a generalized disease of poverty. In countries such as Botswana and Swaziland, the economic and social consequences of the disease have created a vicious circle, whereby the devastation wrought by AIDS severely impedes public health efforts and prepares the way for further infection. One important lesson that has been drawn from the past decades of struggle against the epidemic is therefore to take account of the specific, local characteristics of each affected area, making provision for the social as well as purely biological factors of transmission.
Professor Snowden describes the final exam, and takes questions from students.
SARS, avian influenza and swine flu are the first new diseases of the twenty-first century. They are all diseases of globalization, or diseases of modernity, and while relatively limited in their impact, they have offered dress-rehearsals for future epidemics. As information about SARS spread...
The Tuskegee Syphilis Study, carried out in Macon, Alabama, from 1932 to 1972, is a notorious episode in the checkered history of medical experimentation. In one of the most economically disadvantaged parts of the U.S., researchers deceived a group of 399 black male syphilitics into participating...