The identification and characterization of novel rat hepatitis E virus strains in Bali and Sumbawa, Indonesia
Archives of virology(2018)
Abstract
All three genetic groups of ratHEV have been found in Indonesia, suggesting the presence of additional variants of ratHEV in unexamined areas of Indonesia. A total of 242 wild rats were captured in Bali and Sumbawa, Indonesia, during 2014-2016. Among them, 4.1% were seropositive for anti-ratHEV IgG and two (0.8%) had detectable ratHEV RNA: ratESUMBAWA-140L and ratEBali2016D-047L, sharing 84.9-85.4% and 86.9-92.1% nucleotide identity with the reported G2 strains, respectively. The provisional criteria supported the notion that the ratEBali2016D-047L and ratESUMBAWA-140L strains were novel G2 variants. These results suggested the spatial distribution of further divergent ratHEV strains in Indonesia.
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Key words
Rat hepatitis E virus,Bali,Sumbawa,Full-genome,Genetic group
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