Article
Adaptation of genotype 3 hepatitis E virus in Eastern China and inverse correlation with genotype 4 hepatitis E virus.
Intervirology - 1 Jan 2012
Si Fusheng, Yang Qian, Zhu Yumin, Dong Shijuan, Yu Ruisong, Shen Shiyuan, Li Zhen
Abstract excerpt
We studied the distribution and development of hepatitis E virus (HEV) genotypes 3 and 4 in pig farms located within the Shanghai metropolitan area. A total of 1,487 swine fecal samples were collected from 39 pig farms during 2009-2010. The average incidence rates for genotype 3 and genotype 4 HEV were 10.6 and 9.3%, respectively. The frequencies of genotype 3 and genotype 4 HEV among the farms were inversely...
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