Genotypes and viral variants in chronic hepatitis B: A review of epidemiology and clinical relevance

doi:10.4254/wjh.v7.i3.289

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World Journal of Hepatology

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1948-5182

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Hepatol. Mar 27, 2015; 7(3): 289-303
Published online Mar 27, 2015. doi: 10.4254/wjh.v7.i3.289

Table 1 Geographic distribution of genotypes by continent

	Region	Genotype distribution
Africa	Subsaharan Africa (Egypt, Algeria, Libya)	Genotype D
	West Africa (Guinea Bissau, Ghana, Cameroon)	Genotype E and also A
	Central Africa	Genotype E and also A
	East Africa (Malawi, Tanzania)	Genotype A
	South Africa	Genotype A
Europe	Mediterranean Basin (Greece, Italy, Spain)	Genotype D in majority. Gentype A also seen in Spain
	Western Europe	Mixtures of A-D from various migrant groups
	Eastern Europe	A (Czech republic, Poland) and D (Russia, Croatia, Romania)
Americas	North America	Mixtures of A-D from various migrant populations Genotype F and B in Alaskan natives
	Central America	Genotype H (Mexico) Genotype F (Costa Rica)
	South America	Genotype F predominant and Genotypes A and D in Brazil/Argentina
Asia	Western Asia ( Iran, Yemen, Saudi Arabia, Turkey)	Genotype D
	Central Asia (Uzbekistan, Tajikistan, Afghanistan, Pakistan)	Genotype D
	South Asia (India and Pakistan)	Genotype D in India but also Gentoype A

Citation: Croagh CM, Desmond PV, Bell SJ. Genotypes and viral variants in chronic hepatitis B: A review of epidemiology and clinical relevance. World J Hepatol 2015; 7(3): 289-303
URL: https://www.wjgnet.com/1948-5182/full/v7/i3/289.htm
DOI: https://dx.doi.org/10.4254/wjh.v7.i3.289