Article
A molecular epidemiological study of the hepatitis B virus in Thailand after 22 years of universal immunization.
Journal of medical virology - 1 Apr 2016
Yimnoi Parichat, Posuwan Nawarat, Wanlapakorn Nasamon, Tangkijvanich Pisit, Theamboonlers Apiradee, Vongpunsawad Sompong, Poovorawan Yong
Abstract excerpt
Hepatitis B virus (HBV) infection affects an estimated two billion people worldwide. Since 1992, Thailand implemented universal HBV vaccination as part of the expanded program on immunization (EPI) for newborns. This study aims to compare genotypes and characterize HBV by assessing pre-S/S and basic core promoter (BCP)/precore (PC) mutations in populations born before and after EPI implementation. A nationwide...
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