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We belong to the VISAVET Research Centre from the Complutense University of Madrid (UCM). We work in research and teaching on animal infectious diseases.

 
  • Vigiasan: Proyecto de Innovación Empleo de Tecnologías para evaluar el estado de salud, bienestar y productividad en ganado

  • El principal objetivo de VACDIVA es resolver el problema de la Peste Porcina Africana (PPA) en Europa y en los países afectados, desarrollando vacunas seguras y efectivas para cerdos domésticos y jabalíes, tests de diagnóstico y herramientas para estrategias de control y erradicación en Europa
  • Proyecto de Innovación "Empleo de Tecnologías para evaluar el estado de salud, bienestar y productividad en ganado"
  • Somos Laboratorio de Referencia de la Organización Mundial de la Sanidad Animal (OIE) en Peste Porcina Africana (PPA) y Peste Equina Africana PEA.
  • Realizamos el diagnóstico de los principales virus que afectan a las abejas, siendo pioneros en el desarrollo y puesta a punto de nuevas técnicas para su estudio.
  • La investigación epidemiologica de la Peste Porcina Clásica y Africana (PPC y PPA) son dos de nuestras prioridades.
  • En SUAT trabajamos en la aplicación de la termografía a la sanidad animal, especialmente ventajosa en animales en libertad y de zoo.
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National Ovine Forum

From May 22nd to 24th in Aranda del Duero. Victor Rodríguez Prieto from SUAT group talk about "Emerging diseases in ovine: blue tongue  & Schmallenberg virus".

Program of meeting

 

Current status of the Schmallenberg disease

11/5/2012

Emeging diseases online    The infection with the Schmallenberg virus (SBV)continues its spread in Europe. From the description of the first cases of congenital malformations (mainly by the arthrogryposis-hydranencephaly syndrome) in December 2011, more than 3,200 farms have declared outbreaks of SBV infection in eight EU countries: Germany, The Netherlands, Belgium, UK, France, Luxembourg, Italy and Spain. However, according to official sources in each country, we know that there are almost 4,000 affected farms in just 6 months (Figure 1).

 Schmallenberg afceted farms

Fig. 1 (click to enlarge): Number of outbreaks of Schmallenberg in the eight EU countries affected to 11 May 2012. Data are shown notifications agencies of each country against the official statements of the OIE.


Of the total number of affected animals, sheep are the most affected (80.1%), followed by cattle (17.2%). Infection in goats seems to have been milder than in the other two species. As for the case of cattle, it is likely that outbreaks continue to appear until June 2012, transmission of the virus by the vectors occurred even until January of this year.

This situation is feasible given the uncommon weather conditions during the fall and winter of 2011, making possible the survival of the vectors until very late months. In turn, we must bear in mind that the drop of outbreaks in cattle may coincide with the start of the second wave of outbreaks, since there will be a sufficient number of vectors to start the transmission. Up to now  we do not know the consequences of this second epidemic wave, but everything indicates that this disease is much milder than other vector-borne diseases, such as bluetongue.

 

Víctor Rodríguez Prieto & José Manuel Sánchez-Vizcaíno
SUAT-UCM

Schmallenberg in human

Enfermedades emergentes onlineExtremely low risk for human infection with the Schmallenberg virus.

So far there have been no reported cases of infection with Schmallenberg virus (SBV) in humans. Since the start of the outbreaks, many researchers had already suggested that the zoonotic potential of this new virus was low. The reasons to support this idea are based on the similarity of the SBV with Simbu serogroup viruses. Up to date, there has been no human infection by any of the three most homologous viruses (Akabane, Aino and Shamonda). However, it is known that at least two members of this serogroup, Oropouche and Iquitos viruses, do affect humans. In addition, the SBV is proving to have epidemiological, clinical and genetic peculiarities, not previously described. Therefore, the German Robert Koch Institute (RKI) has conducted a survey in 60 sheep and cattle owners in the estate of North Rhine-Westphalia, in order to understand the involvement of humans in the epidemiological cycle. Antibodies have not been found in any of these samples. In addition, samples of some farmers who had nonspecific symptoms (such as fever or headaches) were analyzed by RT-PCR (in case it was a recent infection) yielding negative results.

Although further investigations are needed, these results are quite encouraging. Given that these farmers have been highly exposed to the virus for several weeks (since they come from an area with a very high rate of infected animals) these findings suggest that the risk of human infection with the SBV is extremely low.

 

All the information about Schmallenberg Virus  is available at Emerging diseases online
 

Víctor Rodríguez Prieto & José Manuel Sánchez-Vizcaíno
SUAT-UC