Hepatitis E does occur in NZ in patients who have not traveled to endemic areas and seems to affect the elderly. The seroprevalence data suggest that subclinical/unrecognized infection is common. Sequencing data suggest that some reservoir other than pigs could be the source of HEV in NZ. It is recommend that all patients with unexplained hepatitis, whatever their age or travel history, are tested for HEV.
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Dalton et al. (2007) studied this question.
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