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Genetic diversity of hepatitis viruses in West-African countries from 1996 to 2018 被引量:1
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作者 Maléki Assih Abdoul Karim Ouattara +6 位作者 Birama Diarra Albert Theophane Yonli Tegwindé Rebeca Compaore Dorcas Obiri-Yeboah Florencia Wendkuuni Djigma Simplice Karou Jacques Simpore 《World Journal of Hepatology》 CAS 2018年第11期807-821,共15页
The severity of hepatic pathology and the response to treatment depend on the hepatitis virus genotype in the infected host. The objective of this review was to determine the distribution of hepatitis virus genotypes ... The severity of hepatic pathology and the response to treatment depend on the hepatitis virus genotype in the infected host. The objective of this review was to determine the distribution of hepatitis virus genotypes in West African countries. A systematic review of the literature in PubMed, Google Scholar and Science Direct was performed to identify 52 relevant articles reporting hepatitis A, B, C, D, E and G viruses genotypes.Hepatitis B virus(HBV) genotype E with a prevalence of 90.6%(95%CI: 0.891-0.920) found in this review, is characterized by low genetic diversity. Hepatitis C virus(HCV) genotypes 1 and 2 represented 96.4% of HCV infections in West African countries, while hepatitis delta virus, hepatitis A virus, hepatitis G virus genotypes 1 and HEV genotype 3 were reported in some studies in Ghana and Nigeria. HBV genotype E is characterized by high prevalence, low genetic diversity and wide geographical distribution. Further studies on the clinical implications of HBV genotype E and HCV genotypes 1 and 2 are needed for the development of an effective treatment against this viral hepatitis in West African countries. Surveillance of the distribution of different genotypes is also needed to reduce recombination rates and prevent the emergence of more virulent viral strains. 展开更多
关键词 Hepatitis virus MUTATIONS GENOTYPES Recombination West African Economic and monetary Union
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The Fintech Revolution: An Opportunity for the West African Financial Sector 被引量:4
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作者 Hua Wilfried Serge Koffi 《Open Journal of Applied Sciences》 2016年第11期771-782,共12页
Fintech provides alternative solutions and business models that could render traditional banking processes obsolete. This paper assesses the opportunity that could be taken to West Africa by using Fintech’s financial... Fintech provides alternative solutions and business models that could render traditional banking processes obsolete. This paper assesses the opportunity that could be taken to West Africa by using Fintech’s financial system. It describes the current West African financial sector, the way of digitization settlement, and lastly, the financial market segments of Fintech. Financial sector creates a massive amount of data exploiting by Fintech companies that are using to segment customer populations, identify opportunities for new products and services and optimize pricing. In this segment, products may use data and analytics to computerize the decision- making processes. Innovative start-ups, retailers, established banks, card companies and other payment services providers are the Payment systems that underpin the services that enable funds to be transferred between people and institutions. For the financial system (banking), Fintech offers sustainable and realistic opportunities by enhancing the value proposition and driving sales, reducing operating costs, making easy access to loans, and lowering interest rates. After showing the advantages of using Fintech services, the findings are that Fintech could improve both financial services and access to services in the West African economy. 展开更多
关键词 BANKING Fintech Revolution Financial Services West Africa Economy monetary Union (WAEMU)
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Eurozone Equity Market Diversification: Is It Still Worth?
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作者 Fabio Pizzutilo 《Chinese Business Review》 2012年第1期29-43,共15页
The paper aims at verifying if there still are advantages in diversification inside the Eurozone despite the economic and monetary unification process. The results show unambiguously that notwithstanding the high degr... The paper aims at verifying if there still are advantages in diversification inside the Eurozone despite the economic and monetary unification process. The results show unambiguously that notwithstanding the high degree of correlation between the Eurozone stock markets, opportunities for diversification still exist. The introduction of constraints on short selling significantly reduces these benefits. Investors from the European leading countries would have greatly benefitted from a Eurozone portfolio diversification strategy. The advantages of diversification appear to change significantly over time and from country to country. The results are also conclusive in reflecting the instability of the historical mean-variance data. 展开更多
关键词 international diversification Eurozone equity markets Eurozone diversification Eurozone efficientfrontier mean variance analysis European monetary union Eurozone correlation analysis
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