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Volume 7, Number 6—December 2001

Research

Hepatitis E Virus Sequences in Swine Related to Sequences in Humans, the Netherlands

Wim H.M. van der Poel*Comments to Author , Froukje Verschoor*, Reina van der Heide*, Maria-Inmaculada Herrera†, Amparo Vivo†, Marlou Kooreman*, and Ana Maria de Roda Husman*
Author affiliations: *National Institute of Public Health and the Environment (RIVM), Bilthoven, The Netherlands;; †Instituto de Salud Carlos III, Majadahonda, Madrid, Spain

Main Article

Table 2

Nucleotide identity (%) between NLSW Hepatitis E virus (HEV) isolates, with respect to other HEV strains, in sections of 242 bases of ORF1 and 304 bases of ORF2a

ORF1 fragment
ORF2 fragment
HEV strain NLSW15 NLSW22 NLSW50 NLSW105 NLSW15 NLSW22 NLSW50 NLSW105
NZ1 82.0 85.7 82.3 84.2 Nab Na Na na
Italy 80.8 82.3 80.8 83.8 Na Na Na na
Arg1 82.7 85.7 83.5 88.4 Na Na Na na
Arg2 79.5 83.3 81.0 84.8 Na Na Na na
US1 80.5 92.9 82.7 87.2 86.7 90.9 83.9 86.4
US2 80.8 91.4 83.1 85.7 85.7 90.9 83.6 86.7
USswine 81.2 87.6 83.5 84.2 86.1 90.0 83.0 85.7
NLSW15 100.0 82.0 94.7 83.8 100.0 83.8 90.9 82.7
NLSW22 82.0 100.0 84.2 87.6 83.8 100.0 83.3 85.7
NLSW50 94.7 84.2 100.0 85.7 90.9 83.3 100.0 84.4
NLSW105 83.8 87.6 85.7 100.0 82.7 85.7 84.4 100.0
NLSW36 84.2 86.1 85.3 91.0 83.0 84.7 83.2 89.4
NLSW82 93.2 85.3 93.2 83.8 91.0 79.5 91.2 83.3
NLSW85 91.7 85.3 93.6 86.1 91.3 92.5 92.7 84.2
NLSW122 82.7 95.5 83.5 88.4 83.2 82.6 83.8 86.0
Greece1 92.1 82.3 92.9 83.8 Na Na Na Na
Greece2 85.7 80.8 83.1 79.3 Na Na Na Na
Egypt Na Na Na Na 75.6 76.5 76.5 76.5
Morocco Na Na Na Na 77.5 77.2 78.1 76.5
VH1 92.1 83.5 92.1 83.8 91.1 80.9 93.1 82.9
VH2 91.0 83.1 91.7 83.5 92.4 80.3 92.4 81.6
E11 Na Na Na Na 92.8 80.9 91.8 82.6
Barcelona 79.3 73.7 78.2 75.9 76.9 76.2 77.8 79.0
Nepal 79.3 73.7 78.2 75.9 78.1 78.1 79.6 79.3
Burma1 79.7 72.9 78.6 76.3 76.9 76.8 78.4 78.1
India1 79.0 73.7 78.6 75.6 78.7 76.5 79.0 78.7
China1 79.0 72.9 78.6 75.6 77.5 77.8 78.4 78.4
Pakistan 79.3 73.3 78.2 75.9 77.5 77.2 78.4 77.5
New China(T1) 80.5 77.8 79.7 78.6 79.0 79.6 78.7 77.2
Mexico 78.2 77.8 77.5 76.3 76.0 75.4 76.0 75.1

aFor explanation of isolates' acronyms, see Figure 2 legends.
bna= not available

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