نتایج جستجو برای: saharan africa

تعداد نتایج: 115043  

Journal: :South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde 2004
Bridget Farham

342 David Gisselquist, John Potterat and Stuart Brody, writing recently in the SAMJ, suggest that the high prevalence of HIV among infants and children in sub-Saharan Africa is a result of iatrogenic transmission of HIV, rather than mother-to-child transmission (MCTC). Earlier, the same group have suggested that unsafe injections are a major, if not the main, mode of transmission of HIV-1 in su...

2013
Matthew D. Hall Nick J. Knowles Jemma Wadsworth Andrew Rambaut Mark E. J. Woolhouse

UNLABELLED Of the three foot-and-mouth-disease virus SAT serotypes mainly confined to sub-Saharan Africa, SAT 2 is the strain most often recorded in domestic animals and has caused outbreaks in North Africa and the Middle East six times in the last 25 years, with three apparently separate events occurring in 2012. This study updates the picture of SAT 2 phylogenetics by using all available sequ...

2016
Ibitola O. Asaolu Jayleen K. Gunn Katherine E. Center Mary P. Koss Juliet I. Iwelunmor John E. Ehiri

INTRODUCTION In spite of a high prevalence of HIV infection among adolescents and young adults in sub-Saharan Africa, uptake of HIV testing and counseling among youth in the region remains sub-optimal. The objective of this study was to assess factors that influence uptake of HIV testing and counseling among youth aged 15-24 years in sub-Saharan Africa. METHODS This study used the Demographic...

Journal: :Science 2007
F E Grine R M Bailey K Harvati R P Nathan A G Morris G M Henderson I Ribot A W G Pike

The lack of Late Pleistocene human fossils from sub-Saharan Africa has limited paleontological testing of competing models of recent human evolution. We have dated a skull from Hofmeyr, South Africa, to 36.2 +/- 3.3 thousand years ago through a combination of optically stimulated luminescence and uranium-series dating methods. The skull is morphologically modern overall but displays some archai...

2006
Joseph Inungu Sarah Karl

Sub-Saharan Africa is the part of the world that has been hit hardest by the HIV epidemic. To fight the spread of HIV in the continent, it is necessary to know and effectively address the factors that drive the spread of HIV. The purpose of this article is to review the factors associated with the spread of the HIV epidemic in sub-Saharan Africa and to propose 6 essential activities, which we r...

2011
Aranka Anema Christopher G Au-Yeung Michel Joffres Angela Kaida Krisztina Vasarhelyi Steve Kanters Julio SG Montaner Robert S Hogg

BACKGROUND HIV/AIDS has orphaned 11.6 million children in sub-Saharan Africa. Expanded antiretroviral therapy (ART) use may reduce AIDS orphanhood by decreasing adult mortality and population-level HIV transmission. METHODS We modeled two scenarios to measure the impact of adult ART use on the incidence of orphanhood in 10 sub-Saharan African countries, from 2009 to 2020. Demographic model da...

2014
Tanya Guenther Yolanda Barberá Laínez Nicholas P Oliphant Martin Dale Serge Raharison Laura Miller Geoffrey Namara Theresa Diaz

Integrated community case management (iCCM) programs are expanding rapidly in many low– and middle–income countries, particularly in sub–Saharan Africa. Conclusions from the recent review of iCCM programs in Africa emphasized the critical importance of using routine data to assess program performance and to inform impact evaluations [1]. Yet monitoring systems often fail to deliver quality data...

2014
Lawrence O Okong'o Christiaan Scott

Introduction Access to paediatric rheumatology services in sub-Saharan Africa is currently very limited with major challenges such as lack of trained personnel, diagnostic and therapeutic resources. Knowledge of the spectrum and incidence of paediatric rheumatologic diseases is important to aid in the advocacy for making paediatric rheumatology more visible and to improve access to the services...

Journal: :Bulletin of the World Health Organization 1998
G A Balint

Doctors need to be well informed about differences in the presentation of certain diseases in tropical and temperate climates. In this article the characteristics of some gastrointestinal diseases, as they recur in sub-Saharan Africa, are briefly reviewed. Diseases of the stomach--including ulcertaion and cancer--are uncommon in Africa, although duodenal ulcer is common all over the tropics. In...

2015
Miguel González-Santos Francesco Montinaro Ockie Oosthuizen Erica Oosthuizen George B.J. Busby Paolo Anagnostou Giovanni Destro-Bisol Vincenzo Pascali Cristian Capelli

The expansion of Bantu-speaking agropastoralist populations had a great impact on the genetic, linguistic, and cultural variation of sub-Saharan Africa. It is generally accepted that Bantu languages originated in an area around the present border between Cameroon and Nigeria approximately 5,000 years ago, from where they spread South and East becoming the largest African linguistic branch. The ...

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