title: The emergence of genotypes 3 and 4 hepatitis E virus in swine and humans: a phylogenetic perspective.
authors.affiliation: Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden.
authors.forename: Hongyan
authors.initials: H
authors.lastname: Xia
authors.forename: Niklas
authors.initials: N
authors.lastname: Wahlberg
authors.forename: Sándor
authors.initials: S
authors.lastname: Belák
authors.forename: X J
authors.initials: XJ
authors.lastname: Meng
authors.forename: Lihong
authors.initials: L
authors.lastname: Liu