Phylogenetic tree constructed by alignment of consensus sequence of the isolates in each subgroup, using the neighbor- joining method and evaluated using the interior branch test method with Mega 4 software
Percent bootstrap support is indicated at each node. Avian HEV strain is included as outgroup.<p><b>Copyright information:</b></p><p>Taken from "Prevalence of four different subgenotypes of genotype 4 hepatitis E virus among swine in the Shanghai area of China"</p><p>http://www.actavetscand.com/content/50/1/12</p><p>Acta Veterinaria Scandinavica 2008;50(1):12-12.</p><p>Published online 31 May 2008</p><p>PMCID:PMC2426689.</p><p></p
