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West Nile Fever, Bulgaria (WAHID Interface - OIE World Animal Health Information Database, 10/06/10, edited): Immediate Notification Report (1st occurrence)

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  • West Nile Fever, Bulgaria (WAHID Interface - OIE World Animal Health Information Database, 10/06/10, edited): Immediate Notification Report (1st occurrence)

    West Nile Fever, Bulgaria (WAHID Interface - OIE World Animal Health Information Database, 10/06/10, edited)


    [Source: OIE, <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=9793" >WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

    West Nile Fever, Bulgaria

    Information received on 06/10/2010 from Mr Nikola T. Belev, Président de la Commission régionale de l'OIE pour l'Europe, Délégué auprès de l'OIE, Représentation régionale de l'OIE pour l'Europe, SOFIA, Bulgaria
    • Summary
      • Report type Immediate notification
      • Start date 04/10/2010
      • Date of first confirmation of the event 04/10/2010
      • Report date 06/10/2010
      • Date submitted to OIE 06/10/2010
      • Reason for notification First occurrence of a listed disease
      • Manifestation of disease Sub-clinical infection
      • Causal agent West Nile virus
      • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
      • This event pertains to the whole country

    • New outbreaks
      • Outbreak 1 - Shabla village, Shabla municipality, Dobrich, DOBRIC
        • Date of start of the outbreak 04/10/2010
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Village
        • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Equidae - 60 - 5 - 0 - 0 - 0
        • Affected Population: No clinical signs observed. Five positive donkeys detected.

    • Summary of outbreaks
      • Total outbreaks: 1
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Equidae - 8.33% - 0.00% - 0.00% - 0.00%
        • * Removed from the susceptible population through death, destruction and/or slaughter

    • Epidemiology
      • Source of the outbreak(s) or origin of infection
        • Unknown or inconclusive

    • Epidemiological comments
      • On 4 October 2010, the National Diagnostic and Research Veterinary Institute (NDRVI) in Sofia informed the National Veterinary Service (NVS) of Bulgaria about West Nile fever serological positive samples taken from 5 donkeys bred in the North-East part of Bulgaria. The results obtained showed possible circulation of West Nile virus in the area. The NVS immediately ordered sampling of equine for serological testing and research for clinical signs for West Nile fever in the area concerned.

    • Control measures
      • Measures applied
        • Screening
        • No vaccination
        • No treatment of affected animals
      • Measures to be applied
        • No other measures

    • Diagnostic test results
      • Laboratory name and type Laboratory for exotic diseases of the NDRVI (National laboratory)
        • Tests and results: Species - Test - Test date - Result
          • Equidae - IgM-capture ELISA - 04/10/2010 - Positive
          • Equidae - seroneutralization test (SNT) - 04/10/2010 - Positive
      • Laboratory name and type Experimental Zooprophylactic Institute (IZS), Teramo (Italy) (OIE’s Reference Laboratory)
        • Tests and results: Species - Test - Test date - Result
          • Equidae - IgM-capture ELISA - 04/10/2010 - Positive
          • Equidae - seroneutralization test (SNT) - 04/10/2010 - Positive

    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.

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