HIV Incidence: 'More Serious Than We Imagined'

Science  19 Jun 1998:
Vol. 280, Issue 5371, pp. 1864
DOI: 10.1126/science.280.5371.1864

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PARIS AND GENEVA-- Last November, the United Nations announced revised estimates of the spread of HIV indicating that some 16,000 people worldwide were being infected with the AIDS virus each day, nearly twice as many as previously thought. Although for much of the world the numbers were pretty much what had been projected, epidemiologists found that in some highly populous countries in sub-Saharan African, such as South Africa and Nigeria, the rate of HIV infection was at least twice as high as expected, and the new estimates indicated that one in every eight adults was infected in South Africa, while in Botswana and Zimbabwe infection rates had reached at least 25%.