VHS virus - present situation

Helle Frank Skall, Niels Jørgen Olesen

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    Geographic distribution: VHSV can be divided into 4 genotypes and at least 8 subtypes and there is a close linkage between genotypes, geographic range and affected fish species. VHS is still only reported from the Northern hemisphere- and while countries like Denmark, Norway and England have freed themselves for VHS, several countries are still struggling with the disease. An update on the recent VHS outbreaks in rainbow trout in Iran, in olive flounder in Korea, in wrasse in Scotland, in turbot in Turkey, in a number of fish species in the great lakes in USA and Canada, and a general overview of the worldwide distribution of the disease will be given. Virus evolution: Recent studies indicate that only a few amino acid changes in the structural proteins of VHSV can change the virulence patterns significantly, thereby coming closer to assessing the risk of none to low virulent viruses becoming high virulent. Virulence factors both depend on the ability of VHSV to enter a cell and on the speed and efficiencyof virus replication in the cells. Apparently the viral nucleocapsid protein plays a very important role for the later and seems to be the target for determination of a virulence marker.
    Original languageEnglish
    Title of host publicationDafinet and Profish Workshop : Book of abstracts
    Number of pages1
    Place of PublicationFrederiksberg C
    PublisherUniversity of Copenhagen
    Publication date2015
    Publication statusPublished - 2015
    EventDAFINET and ProFish Workshop - København, Denmark
    Duration: 17 Nov 201518 Nov 2015


    ConferenceDAFINET and ProFish Workshop


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