منابع مشابه
The Origins of AIDS
This excellent but frustrating book is essential reading for anyone deeply interested in the early history and dissemination of HIV/AIDS. Interest must be deep because the author spares few details about colonial medical systems in the former French and Belgian territories, Congolese politics around independence, and a host of other obscure matters. The book’s strengths include clear explanatio...
متن کاملThe origins of AIDS
“Chimpanzee meat blamed for AIDS epidemic” was the headline of a front page article in the Times on 1 February, which began: “Chimpanzees slaughtered for food in west central Africa were the original source of AIDS.” The Daily Telegraph flagged the story in a similar way: “AIDS started by humans eating chimps.” Strengthened by the UK’s recent climate of concern over food safety issues such as S...
متن کاملthe effect of using visual aids on the development of speech act of disagreement among iranian intermediate efl learners
abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...
Origins of HIV and the evolution of resistance to AIDS.
The cross-species transmission of lentiviruses from African primates to humans has selected viral adaptations which have subsequently facilitated human-to-human transmission. HIV adapts not only by positive selection through mutation but also by recombination of segments of its genome in individuals who become multiply infected. Naturally infected nonhuman primates are relatively resistant to A...
متن کاملStability Analysis of a Fractional Order Model of HIV virus and AIDS Infection in the Community
In this paper a non-linear model with fractional order is presented for analyzing and controlling the spread of HIV virus. Both the disease-free equilibrium and the endemic equilibrium are found and their stability is discussed. The basic reproduction number , which is a function of the constant parameters in the model, plays an essential role in the stability of the ...
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ژورنال
عنوان ژورنال: Nature
سال: 1988
ISSN: 0028-0836,1476-4687
DOI: 10.1038/333494a0