Hepatitis E Virus in Pork Production Chain in Czech Republic, Italy, and Spain, 2010
Ilaria Di Bartolo1, Marta Diez-Valcarce1, Petra Vasickova1, Petr Kralik, Marta Hernandez, Giorgia Angeloni, Fabio Ostanello, Martijn Bouwknegt, David Rodríguez-Lázaro, Ivo Pavlik, and Franco Maria Ruggeri
Author affiliations: Istituto Superiore di Sanità, Rome, Italy (I. Di Bartolo, G. Angeloni, F.M. Ruggeri); Instituto Tecnológico Agrario de Castilla y León, Junta de Castilla y León Valladolid, Spain (M. Diez-Valcarce, M. Hernandez, D. Rodríguez-Lázaro); Veterinary Research Institute, Brno, Czech Republic (P. Vasickova, P. Kralik, I. Pavlik); University of Bologna, Bologna, Italy (F. Ostanello); and National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands (M. Bouwknegt)
Figure A1. . . Phylogenetic tree constructed with the Bionumerics version 6 software (Applied Maths, Kortrijk, Belgium) by the neighbor-joining method on the basis of partial nucleotide sequences of open reading frame 2, with avian hepatitis E virus as an outgroup (GenBank accession no. AY043166). Samples are from Italy and Spain, 2010. Bootstrap values of >60% are indicated. ● indicates sequences from Spain; ◉ indicates sequences from Italy. Subtypes of genotype 3 HEV strains are indicated. Scale bar indicates number of substitutions per site.
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.