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Copyright ©The Author(s) 2015.
World J Gastroenterol. Nov 14, 2015; 21(42): 11941-11953
Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.11941
Table 1 Prevalence of hepatitis B virus infection and genotype distribution in some African countries
CountriesHBsAg-positive prevalence[4,11]HBV genotype distribution[66,68-73,75,77]
Burkina Faso14.5%A: A1 southern and eastern Africa
Cameroon10.1%A2 South Africa
Gabon9.5%D: D1 and D7 northern Africa
Ghana13.8%E: western and central Africa
Mali15.5%Recombinant A/D and A/E
Table 2 Prevalence of hepatitis B virus infection and genotype distribution in some Asian countries
CountriesHBsAg-positive prevalence[16,85-92,96,99,105-108]HBV genotype distribution[109-118,121,123,125]
Cambodia4.6%A: India
A1 India
B: China
China7.18%B2 southern China
Gaza Strip3.5%C: China
India3.7%C1 southern China, India
Iraq0.6%C2 northern China
Jordan1.4%D: Arabian countries and India
Kazakhstan3.8%D1 Persian Gulf (Iran, Syria, Turkey), India, Pakistan D2, D3, D4, D9 India
Saudi Arabia1.5%-2.6%
Singapore3.6%C/D1-CD2 western China
South Korea4.0%
United Arab Emirates2%-7%
Table 3 Prevalence of hepatitis B virus infection and genotype distribution in some eastern European countries
CountriesHBsAg prevalence[133-138,142-145,147,148]HBV genotype distribution[150-156,160,161]
Albania> 9%A: Eastern Europe (Poland,
Czech Republic, Bulgaria,
A2 Bulgaria
D: Southeastern Europe (Russia, the Baltic region, Belarus, Romania, Hungary, Serbia, Croatia, Lithuania, Romania, Bulgaria)1
D1 Bulgaria
D2 Albania, Russia, Estonia, the Siberian and eastern part of the former USSR
Bulgaria3.80%D3 Serbia
Croatia1.7%-15.8%[D: prevalent genotype (70%-80%)]
Romania5.59%1A,D: equal distribution
Table 4 Prevalence of hepatitis B virus infection and genotype distribution in some Latin American countries
CountriesHBsAg prevalence[166-169]HBV genotype distribution[177,178]
Mexico, Honduras, Nicaragua, Costa Rica, Panama, Uruguay, Chile, Argentina, Peru, northern ColombiaLow prevalence (< 2%)F: F1 Central America eastern South-America
F2 Venezuela, Brazil
F3 Central (Panama) and northern (Colombia and Venezuela)
Central America: Guatemala, El Salvador, Honduras, Haiti, Dominican Republic, Puerto RicoIntermediate prevalence (> 2%, < 8%)Latin America
F4 Bolivia and Argentina (F genotype: prevalent)
H: Amerindians and Mestizios in Mexico
South America: Ecuador, French Guyana, Suriname, south BrazilA, D: Gualalajara, Jalisco, Mexico, Argentina
Northern Brazil, southern Colombia, Peru, northern BoliviaHigh prevalence (> 8%)B, C: dispersed among Latin America populations (due to Asian immigrants)