Molecular identification of cystic echinococcosis in humans and pigs reveals the presence of both Echinococcus granulosus sensu stricto and Echinococcus canadensis G6/G7 in the hyperendemic focus of the Republic of Moldova

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Umhang, Gérald | Chihai, Oleg | Bastid, Vanessa | Grenouillet, Florence Elisabeth | Erhan, Dumitru | Hotineanu, Adrian | Lungu, Vera | Rusu, Stefan | Grenouillet, Frédéric | Boué, Franck

Edité par CCSD ; Springer Verlag (Germany) -

International audience. Cystic echinococcosis is caused by the parasitic species of the complex Echinococcus granulosus sensu lato. This disease is hyperendemic in the Republic of Moldova. Recent molecular analyses have revealed the exclusive presence of E. granulosus sensu stricto in sheep and cattle. Previous reports of prevalence in pigs suggest the potential presence of Echinococcus canadensis G6/G7, as this species is also reported in neighboring countries. The presence of cystic echinococcosis in pigs was specifically monitored at the slaughterhouse. In the meantime, human cases were genotyped for the first time. E. canadensis G6/G7 was identified in all ten pigs infected by E. granulosus s.l. One human case of infection by E. canadensis G6/G7 was also identified, while E. granulosus sensu stricto was found to be the cause for the 13 others. The description of one human case of E. canadensis G6/G7 has confirmed its zoonotic impact in the country. Future studies will be needed to estimate the relative proportion and distribution of both parasitic species in Moldova.

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