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Transbound Emerg Dis ; 69(5): 2764-2768, 2022 Sep.
Article in English | MEDLINE | ID: mdl-34913605

ABSTRACT

Hepatitis E virus (HEV) genotype 3 is the most prevalent HEV genotype in Europe causing mostly asymptomatic infections in humans, but can also sporadically cause severe acute hepatitis, chronic liver disease, chronic hepatitis in immunocompromised patients and extra-hepatic manifestations. Although much is today known about the swine reservoir, no information is available on the occurrence of HEV from widely distributed deer species in Portugal. Here, we investigated the presence and characterized HEV in free-living deer in Portugal by screening stools from red deer (Cervus elaphus) (n = 95) and fallow deer (Dama dama) (n = 35) for HEV by a broad-spectrum nested RT-PCR, followed by sequencing and phylogenetic analysis. Two red deer females, sampled in central Portugal, showed to be shedding HEV (2.1%; 95% confidence interval: 0.58-7.35). Sequencing and genetic characterization showed that these two deer HEV sequences were 98.96% identical to each other, being both of HEV genotype 3 subgenotype 3e. The increasing numbers and distribution of deer in Portugal and the zoonotic features of the circulating HEV genotype 3 subgenotype 3e highlights the importance of continued surveillance directed to food-borne diseases, especially those involving wild animals and deer in particular.


Subject(s)
Deer , Hepatitis E virus , Hepatitis E , Swine Diseases , Animals , Female , Genotype , Hepatitis E/epidemiology , Hepatitis E/veterinary , Hepatitis E virus/genetics , Humans , Phylogeny , Portugal/epidemiology , Swine
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