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It is now forty years since the discovery of AIDS, but its origins continue to puzzle doctors, scientists and patients. Inspired by his own experiences working as a physician in a bush hospital of Zaire, Jacques Pépin looks back to the early twentieth-century events in central Africa that triggered the emergence of HIV/AIDS and traces its subsequent development into the most dramatic and destructive epidemic of modern times. He shows how the disease was first transmitted from chimpanzees to man and then how military interventions, urbanisation, prostitution and large-scale colonial medical campaigns intended to eradicate tropical diseases combined to disastrous effect to fuel the spread of the virus from its origins in Léopoldville to the rest of Africa, the Caribbean and ultimately worldwide. This is an essential perspective on HIV/AIDS and on the lessons that must be learned as the world faces another pandemic.
It is now thirty years since the discovery of AIDS but its origins continue to puzzle doctors and scientists. Inspired by his own experiences working as an infectious diseases physician in Africa, Jacques Pepin looks back to the early twentieth-century events in Africa that triggered the emergence of HIV/AIDS and traces its subsequent development into the most dramatic and destructive epidemic of modern times. He shows how the disease was first transmitted from chimpanzees to man and then how urbanization, prostitution, and large-scale colonial medical campaigns intended to eradicate tropical diseases combined to disastrous effect to fuel the spread of the virus from its origins in Léopoldville to the rest of Africa, the Caribbean and ultimately worldwide. This is an essential new perspective on HIV/AIDS and on the lessons that must be learnt if we are to avoid provoking another pandemic in the future
In: Bulletin of the World Health Organization: the international journal of public health = Bulletin de l'Organisation Mondiale de la Santé, Band 84, Heft 9, S. 729-738
ISSN: 1564-0604
In: Bulletin of the World Health Organization: the international journal of public health, Band 84, Heft 9
ISSN: 0042-9686, 0366-4996, 0510-8659
HCV genotype 4 is prevalent in many African countries, yet little is known about the genotype׳s epidemic history on the continent. We present a comprehensive study of the molecular epidemiology of genotype 4. To address the deficit of data from the Democratic Republic of the Congo (DRC) we PCR amplified 60 new HCV isolates from the DRC, resulting in 33 core- and 48 NS5B-region sequences. Our data, together with genotype 4 database sequences, were analysed using Bayesian phylogenetic approaches. We find three well-supported intra-genotypic lineages and estimate that the genotype 4 common ancestor existed around 1733 (1650–1805). We show that genotype 4 originated in central Africa and that multiple lineages have been exported to north Africa since ~1850, including subtype 4a which dominates the epidemic in Egypt. We speculate on the causes of the historical intra-continental spread of genotype 4, including population movements during World War 2.
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