Epizootic Haemorrhagic Disease Virus Serotype 8 in Tunisia, 2021

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Sghaier, Soufien | Sailleau, Corinne | Marcacci, Maurilia | Thabet, Sarah | Curini, Valentina | Ben Hassine, Thameur | Teodori, Liana | Portanti, Ottavio | Hammami, Salah | Jurisic, Lucija | Spedicato, Massimo | Postic, Lydie | Gazani, Ines | Ben Osman, Raja | Zientara, Stephan | Bréard, Emmanuel | Calistri, Paolo | Richt, Jürgen | Holmes, Edward | Savini, Giovanni | Di Giallonardo, Francesca | Lorusso, Alessio

Edité par CCSD ; MDPI -

This article belongs to the Special Issue Emerging Viruses 2022: Surveillance, Prevention, Evolution and Control. International audience. Epizootic haemorrhagic disease (EHD) is a Culicoides-borne viral disease caused by the epizootic haemorrhagic disease virus (EHDV) associated with clinical manifestations in domestic and wild ruminants, primarily white-tailed deer (Odocoileus virginianus) and cattle (Bos taurus). In late September 2021, EHDV was reported in cattle farms in central/western Tunisia. It rapidly spread throughout the country with more than 200 confirmed outbreaks. We applied a combination of classical and molecular techniques to characterize the causative virus as a member of the serotype EHDV-8. This is the first evidence of EHDV- 8 circulation since 1982 when the prototype EHDV-8 strain was isolated in Australia. This work highlights the urgent need for vaccines for a range of EHDV serotypes.

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