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Pathogenesis

Chronology of Development and Spread of HIV/AIDS

Published in AIDS Weekly, July 13th, 1998

Nearly 12 million people have died since the AIDS epidemic began two decades ago.

Although the illness is on the decline in the developed world, it is spreading rapidly in developing countries.

Following are some of the key events in the development and spread of the epidemic:

  • 1981 - Outbreaks of two rare illnesses are reported among young homosexual men in the United States. The disorders, a respiratory infection called pneumocystis carinii pneumonia and a cancer, Kaposi's sarcoma, usually infect older men.

  • 1981-1983 - Scientists and researchers start to recognize the emergence of a new disease that is...

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