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New insights into the role of ticks in African swine fever epidemiology

Revue Scientifique et Technique publish this investigation article

November 1st, 2015

African swine fever (ASF), one of the most important diseases of swine, is present in many African countries, as well as in eastern Europe, Russia and Sardinia. It is caused by a complex virus, ASF virus (ASFV), for which neither vaccine nortreatment is available. ASFV affects swine of all breeds and ages, and also replicates in soft ticks of the genus Ornithodoros, facilitating ASFV persistence
and reocurrence of disease. Depending on the involvement of these ticks, and the presence or not of sylvatic asymptomatic animals, several epidemiological cycles have been identified. The disease persists in East and southern African countries in a sylvatic cycle between O. porcinus (of the O. moubata species complex) and common warthogs. In some countries a domestic pig–tick cycle
exists, whereas in other regions, notably West Africa, the role of soft ticks has not been demonstrated, and ASFV is transmitted between domestic pigs in the absence of tick vectors. Even in several East and Central African countries which have the sylvatic or domestic cycle, the majority of outbreaks are not associated with ticks or wild suids. In Europe, O. erraticus was detected and identified as a crucial vector for ASF maintenance in outdoor pig production on the Iberian Peninsula. However, in most parts of Europe, there is a lack of information about the distribution and role of Ornithodoros ticks in ASF persistence, particularly in eastern regions.
This article reviews ASF epidemiology and its main characteristics, with a special focus on the distribution and role of soft ticks in ASF persistence in different settings. Information about tick detection, control measures and future directions for research is also included




Sanchez-Vizcaino JM., Mur L., Bastos ADS. and Penrith ML.




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New insights into the role of ticks in African swine fever epidemiology

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New insights into the role of ticks in African swine fever epidemiology


Participants:

Universidad ComplutenseServicio de Inmunología Viral y Medicina Preventiva (SUAT). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

World Organisation for Animal HealthWorld Organisation for Animal Health (OIE).

Department of Zoology & Entomology. Department of Veterinary Tropical Diseases. Faculty of Veterinary Science. University of Pretoria (UP).







Revue Scientifique et Technique
FACTOR YEAR Q
0.904 2015

NLMID: 8712301

PMID: 26601452

ISSN: 0253-1933



TITLE: New insights into the role of ticks in African swine fever epidemiology


JOURNAL: Rev Sci Tech OIE


NUMERACIÓN: 34(2):503-511


AÑO: 2015


PUBLISHER: Office international des épizooties


AUTHORS: Sanchez-Vizcaino JM., Mur L., Bastos ADS. and Penrith ML.


VISAVET PARTICIPANTS


José Manuel Sánchez-Vizcaíno Rodríguez

DOI: https://doi.org/ 10.20506/rst.34.2.2375


CITE THIS PUBLICATION:

Sanchez-Vizcaino JM., Mur L., Bastos ADS. and Penrith ML. New insights into the role of ticks in African swine fever epidemiology. Revue Scientifique et Technique. 34(2):503-511. 2015. (A). ISSN: 0253-1933. DOI: 10.20506/rst.34.2.2375


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