ABSENCE OF CIRCULATION OF BLUETONGUE VIRUS SEROTYPE 8 IN THE SPANISH MAINLAND SINCE FEBRUARY 2009

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1 ABSENCE OF CIRCULATION OF BLUETONGUE VIRUS SEROTYPE 8 IN THE SPANISH MAINLAND SINCE FEBRUARY 2009 SCoFCAH 7-88 May 2012

2 BTV-8 8 EPIDEMIOLOGICAL EVOLUTION IN SPAIN First incursion: January 2008 Origin: trade movements Early detection and implementation of proper measures led to a quick control, spatially and temporarily, of the problem: Only 36 outbreaks (between 2008 and 2010) location of the outbreaks restricted to three specific areas of Spain (Cantabria, Galicia and South of Andalucía)

3 BTV-8 8 SPAIN 2008 DATE PROVINCE LVU OUTBREAKS January Cantabria Solares 12 October- December Málaga Cartama 16 November Lugo Terra Cha 1 TOTAL 29

4 BTV-8 8 SPAIN 2009 DATE PROVINCE LVU OUTBREAKS January-February Málaga Málaga Cartama (Guadalhorce Oriental) Málaga (Guadalhorce Occidental) March Cádiz Campo de Gibraltar 1 TOTAL 6 3 2

5 BTV-8 8 SPAIN 2010 DATE PROVINCE LVU OUTBREAKS November Cádiz Campo de Gibraltar 1 TOTAL 1

6 BT MONITORING, SURVILLANCE AND CONTROL PROGRAM IN SPAIN 1.Surveillance program: 1.Serologic and virologic surveillance 2.Clinical surveillance 3.Entomological surveillance 2.Vaccination program 3.Control of movements

7 BT MONITORING, SURVILLANCE AND CONTROL PROGRAM IN SPAIN Serologic and virologic surveillance: Sentinel animals over 4 month old (cattle, sheep, goats) Not vaccinated, seronegative Prevalence 2%, 95% IC: 149 samples per province 6 holdings per province Risk areas: 17 samples/year No risk areas: 9 samples/year

8 OUTCOME OF BTV-8 8 SURVEILLANCE PROGRAM Year Minimum samples (1) ELISA (2) PCR (3) DOMESTIC ANIMALS SURVEILLANCE OUTCOME BTV-8 positive holdings BTV-8 positive animals Autonomo us region Andalucía Province Málaga Cádiz LVU Guadalhorce Oriental and Occidental Campo de Gibraltar Andalucía Cádiz Campo de Gibraltar (1): in accordance to the minimum number of samples stablished in the Bluetongue National Surveillance Program (2): total number of serologic tests performed (3): total number of agent identification tests performed WILD ANIMALS SURVEILLANCE OUTCOME IN ANDALUCÍA Year PCR SERONEUT RALIZATIO N (ST) ST POSITIVE ANIMALS PROVINCE SERONEUTRALIZATION LVU SPECIES DATE PCR PCR POSITIVE ANIMALS Cádiz Campo Gibraltar Deer January Hitherto, as regards 2012, all samples tested in domestic and wildlife have resulted negative to serotype 8 of the Bluetongue virus

9 BT MONITORING, SURVILLANCE AND CONTROL PROGRAM IN SPAIN Clinical surveillance To reinforce the serological-virological surveillance and to detect new BTVs circulating in an area Sheep 150 holdings per Autonomous region per year are randomly selected Entomological surveillance 2009: 95 permanent traps 2010: 88 permanent traps 2011: 75 permanent traps

10 BT MONITORING, SURVILLANCE AND CONTROL PROGRAM IN SPAIN Vaccination program: High level of immunisation by: Massive compulsory vaccination program: coverage over 80% of the animals Natural immunity Absence of BTV-8 circulation since 2010 Limited circulation of BTV-1 and BTV-4 during the current season

11 BTV-8 8 SITUATION IN NEARBY COUNTRIES COUNTRY STATUS LAST OUTBREAK Northern EU free France not free December 2009 Portugal free Morocco free

12 CONCLUSIONS No outbreaks of BTV-8 in Spain (with the exception of Campo de Gibraltar LVU) since February 2009 European Countries that has been affected by BTV-8, with some exceptions, are free Countries more geographically close to Spain: Portugal and Morocco are free of BTV-8. France no outbreaks since December 2009 The monitoring and surveillance program implemented in Spain observes the requirements set out in points 1.3 and of Annex I of Regulation 1266/2007 as regards the monitoring in order to provide the Commission with substantiated information demonstrating the absence of bluetongue virus circulation in an epidemiological relevant geographical area during a period of two years Program s results in the last 3 years (including two full vector activity period): there have no been BTV-8 circulation in Spain (with the exception of Campo de Gibraltar LVU) since February 2009 Spain is in position to declare BTV-8 freedom in the whole territory with the exception of Campo de Gibraltar LVU

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