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Bluetongue --- Bluetongue --- Epidemiology --- Epidemiology --- Bluetongue virus --- Bluetongue virus --- Culicoides --- Culicoides --- Vectors --- Vectors --- life cycle --- life cycle --- diagnosis --- diagnosis --- Disease control --- Disease control --- therapy --- therapy
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Culicoides --- Culicoides --- life cycle --- life cycle --- Silos --- Silos --- Silage --- Silage --- Agricultural wastes --- Biological control --- Biological control --- Beauveria bassiana --- Beauveria bassiana --- Metarhizium anisopliae --- Metarhizium anisopliae --- Paecilomyces --- Paecilomyces
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African horse sickness virus --- African horse sickness --- Bluetongue virus --- Bluetongue --- Culicoides --- Orbiviruses --- Orbivirus infections in animals --- Congresses
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La maladie hémorragique épizootique, touchant initialement les cervidés ne cesse de se propager et est désormais capable d'affecter les ruminants. Depuis peu, la maladie a atteint le pourtour du bassin méditerranéen et menace le reste de l'Europe. Le changement climatique récent favorise l'adaptation des vecteurs de cette maladie et donc sa propagation. Pour éviter les conséquences économiques préjudiciables aux éleveurs, quels seraient les moyens de contrôle et de lutte contre ce virus ?
Epizootic hemorrhagic disease --- EHDV --- Europe --- Cattle --- Culicoides --- Vaccination --- Emergence --- Climate change --- Vectors --- Sciences du vivant > Médecine vétérinaire & santé animale
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La maladie hémorragique épizootique et la fièvre catarrhale ovine sont deux maladies vectorielles dues à des arbovirus qui touchent les ruminants sauvages et domestiques. Les signes cliniques sont variables et peuvent aller d’une infection asymptomatique à une mortalité importante dans les espèces qui sont les plus sensibles. Ces maladies sont présentes au niveau mondial et leur impact économique n’est pas négligeable de par les diminutions de production, la limitation des échanges commerciaux et le coût de la prévention vaccinale pour les espèces sensibles. Ce travail comprend un bref rappel théorique sur ces deux maladies ainsi que la répartition des espèces sensibles dans différents pays européens touchés. L’évolution de la répartition des espèces de culicoïdes les plus souvent impliquées dans la propagation de la FCO et MHE a également été étudiée. La deuxième partie de ce travail traite de la prévention de ces maladies par des moyens qui sont bien connus tels que la vaccination des animaux d’élevage sensibles et la lutte directe contre les culicoïdes à l’aide de traitement insecticides appliqués sur les animaux d’élevage sensibles mais également de moyens de lutte moins conventionnels tels que l’utilisation de champignons ou d’eau alcaline pour diminuer la population de culicoïdes aux abords des exploitation agricoles. Une enquête de terrain à été réalisée auprès des vétérinaires pratiquant en médecine bovine en Belgique et en France. Cette dernière a pour but de regrouper les avis des vétérinaires sur la prévention de la fièvre catarrhale ovine et de la maladie hémorragique épizootique dans les élevages ovins et bovins avec lesquels ils travaillent.
Maladie hémorragique épizootique --- Fièvre catarrhale ovine --- Culicoïdes --- Epidémiologie --- Prévention --- Lutte --- Sciences du vivant > Médecine vétérinaire & santé animale
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The third volume in the Institute of Animal Health (IAH) Biology of Animal Infections Series, Bluetongue discusses one of the most economically important diseases of domesticated livestock. Affecting primarily sheep particularly the improved mutton and wool breeds, it is now endemic in Africa, India, the Middle and Far East, Australia and the Americas, and over the last six years has caused a series of outbreaks throughout the Mediterranean region and central Europe. Bluetongue represent a paradigm not only for the other orbiviruses (such as African horse sickness virus, which sh
Bluetongue. --- Bluetongue virus. --- Bluetongue --- Animals as carriers of disease. --- Culicoides. --- Cattle --- Sheep --- Epidemiology. --- Virus diseases. --- Ceratopogonidae --- Carriers of disease --- Disease vectors --- Vectors of disease --- Communicable diseases --- Zoology, Medical --- Zoonoses --- Blue tongue --- Orbivirus infections in animals --- Arboviruses --- Orbiviruses --- Transmission
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Arboviruses have become global threats. Common to Dengue, Zika, yellow fever, chikungunya, and Mayaro viruses is their ability to be transmitted by mosquitoes. Several strategies based on transgenics or microbiology are currently being field-tested. While this approach seems hopeful, the research community needs to focus on potential backlash from these technologies to prevent failure. The aim of the Special Issue is to cover different transmission routes that are untargeted by the newly developed strategies to foresee limitations. Here, Fontenille & Powell gave their insights on how a mosquito species becomes a global vector, Yen & Failloux presented the limitations of Wolbachia-based population replacement, Pereira-dos-Santos et al. reviewed the evidence that Aedes albopictus is an important vector, and Diagne et al. gathered information about the latest emerging arbovirus: Mayaro. Manuel et al. demonstrated that in certain conditions mosquitoes efficiently transmit Zika viruses and Rozo-Lopez et al. showed that midges vertically transmit stomatitis virus, highlighting the epidemiological significance of vertical transmission. Vector competence for secondary vectors was improved by Kosoltanapiwat et al. during entomological surveillance and by Fernandes et al. when evaluating different vector species competence for Zika viruses. Morales-Vargas et al. and Calvez et al. improved our understanding of DENV2 and DENV4 epidemiology.
Medicine --- mosquito --- culicidae --- Aedes aegypti --- Aedes albopictus --- emergence --- arbovirus --- emerging diseases --- vector competence --- spill-over --- blood-feeding --- bridge vector --- arboviruses --- vesicular stomatitis virus --- Culicoides midges --- non-conventional transmission --- venereal transmission --- reproductive anatomy --- mating behavior --- Zika virus --- vertical transmission --- mosquito control --- replacement strategy --- Wolbachia --- environmental factors --- viral adaptation --- zika virus --- dengue virus --- mosquito surveillance --- Thailand --- transmission efficiency --- vector capacity --- susceptibility --- dengue --- DENV-4 --- epidemic --- Lao PDR --- phylogeny --- Aedes vectors --- Mayaro --- emerging arbovirus --- alphavirus --- Togaviridae --- Aedes --- disease severity --- mosquito --- culicidae --- Aedes aegypti --- Aedes albopictus --- emergence --- arbovirus --- emerging diseases --- vector competence --- spill-over --- blood-feeding --- bridge vector --- arboviruses --- vesicular stomatitis virus --- Culicoides midges --- non-conventional transmission --- venereal transmission --- reproductive anatomy --- mating behavior --- Zika virus --- vertical transmission --- mosquito control --- replacement strategy --- Wolbachia --- environmental factors --- viral adaptation --- zika virus --- dengue virus --- mosquito surveillance --- Thailand --- transmission efficiency --- vector capacity --- susceptibility --- dengue --- DENV-4 --- epidemic --- Lao PDR --- phylogeny --- Aedes vectors --- Mayaro --- emerging arbovirus --- alphavirus --- Togaviridae --- Aedes --- disease severity
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Arboviruses have become global threats. Common to Dengue, Zika, yellow fever, chikungunya, and Mayaro viruses is their ability to be transmitted by mosquitoes. Several strategies based on transgenics or microbiology are currently being field-tested. While this approach seems hopeful, the research community needs to focus on potential backlash from these technologies to prevent failure. The aim of the Special Issue is to cover different transmission routes that are untargeted by the newly developed strategies to foresee limitations. Here, Fontenille & Powell gave their insights on how a mosquito species becomes a global vector, Yen & Failloux presented the limitations of Wolbachia-based population replacement, Pereira-dos-Santos et al. reviewed the evidence that Aedes albopictus is an important vector, and Diagne et al. gathered information about the latest emerging arbovirus: Mayaro. Manuel et al. demonstrated that in certain conditions mosquitoes efficiently transmit Zika viruses and Rozo-Lopez et al. showed that midges vertically transmit stomatitis virus, highlighting the epidemiological significance of vertical transmission. Vector competence for secondary vectors was improved by Kosoltanapiwat et al. during entomological surveillance and by Fernandes et al. when evaluating different vector species competence for Zika viruses. Morales-Vargas et al. and Calvez et al. improved our understanding of DENV2 and DENV4 epidemiology.
mosquito --- culicidae --- Aedes aegypti --- Aedes albopictus --- emergence --- arbovirus --- emerging diseases --- vector competence --- spill-over --- blood-feeding --- bridge vector --- arboviruses --- vesicular stomatitis virus --- Culicoides midges --- non-conventional transmission --- venereal transmission --- reproductive anatomy --- mating behavior --- Zika virus --- vertical transmission --- mosquito control --- replacement strategy --- Wolbachia --- environmental factors --- viral adaptation --- zika virus --- dengue virus --- mosquito surveillance --- Thailand --- transmission efficiency --- vector capacity --- susceptibility --- dengue --- DENV-4 --- epidemic --- Lao PDR --- phylogeny --- Aedes vectors --- Mayaro --- emerging arbovirus --- alphavirus --- Togaviridae --- Aedes --- disease severity
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The increased international transportation and trade over the last few decades have increased the risk of the introduction of pathogens into new areas. Global climate change has influenced environmental conditions and the ability of pathogens to survive, and has changed the habitats of certain vectors and hosts. These processes have led to the emergence or re-emergence of various pathogens in different parts of the world, including those affecting horses. This Special Issue features some aspects regarding several well recognized as well as some new and emerging equine viral pathogens, highlighting the need for updated epidemiological data. Such surveillance is crucial for proper decision making by clinicians and by regulatory authorities. Also demonstrated by the recent global emergence of SARS-CoV-2, the development of an effective infrastructure for the rapid and effective detection and control of novel viral pathogens, as well as re-emerging ones, is essential. Horses should play an important role in such surveillance systems, not only for equine pathogens but also as sentinels to other viruses and arboviruses. As was demonstrated in several examples in this Special Issue, it is important to remember, both as clinicians and as researchers, that when facing clinical cases, even when those are common, we should remain alert to the possibility of the intrusion of unknown pathogens and, therefore, should seek a definitive diagnosis. This may allow for the early detection of emerging or re-emerging pathogens.
equine coronavirus --- horse --- enteric disease --- ECoV --- seroprevalence --- equine --- viruses --- loop-mediated isothermal amplification --- insulated isothermal polymerase chain reaction --- field-deployable --- point-of-care testing --- Huculs --- viral status --- immunological status --- equine viral diseases --- EHV-1 --- EHV-4 --- ELISA --- VNT --- Morocco --- equine parvoviruses --- equine parvovirus hepatitis --- equine parvovirus CSF --- equine copivirus --- nasal fluid --- blood --- qPCR --- sick equids --- healthy horses --- gammaherpesvirus --- horses --- respiratory disease --- equine herpesvirus 1, -2, -4, -5 --- equine influenza --- quantitative PCR --- equine encephalosis virus --- EEV --- epidemiology --- clinical disease --- control --- Culicoides --- SARS-CoV-2 --- nasal secretions --- n/a
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The increased international transportation and trade over the last few decades have increased the risk of the introduction of pathogens into new areas. Global climate change has influenced environmental conditions and the ability of pathogens to survive, and has changed the habitats of certain vectors and hosts. These processes have led to the emergence or re-emergence of various pathogens in different parts of the world, including those affecting horses. This Special Issue features some aspects regarding several well recognized as well as some new and emerging equine viral pathogens, highlighting the need for updated epidemiological data. Such surveillance is crucial for proper decision making by clinicians and by regulatory authorities. Also demonstrated by the recent global emergence of SARS-CoV-2, the development of an effective infrastructure for the rapid and effective detection and control of novel viral pathogens, as well as re-emerging ones, is essential. Horses should play an important role in such surveillance systems, not only for equine pathogens but also as sentinels to other viruses and arboviruses. As was demonstrated in several examples in this Special Issue, it is important to remember, both as clinicians and as researchers, that when facing clinical cases, even when those are common, we should remain alert to the possibility of the intrusion of unknown pathogens and, therefore, should seek a definitive diagnosis. This may allow for the early detection of emerging or re-emerging pathogens.
Medicine --- equine coronavirus --- horse --- enteric disease --- ECoV --- seroprevalence --- equine --- viruses --- loop-mediated isothermal amplification --- insulated isothermal polymerase chain reaction --- field-deployable --- point-of-care testing --- Huculs --- viral status --- immunological status --- equine viral diseases --- EHV-1 --- EHV-4 --- ELISA --- VNT --- Morocco --- equine parvoviruses --- equine parvovirus hepatitis --- equine parvovirus CSF --- equine copivirus --- nasal fluid --- blood --- qPCR --- sick equids --- healthy horses --- gammaherpesvirus --- horses --- respiratory disease --- equine herpesvirus 1, -2, -4, -5 --- equine influenza --- quantitative PCR --- equine encephalosis virus --- EEV --- epidemiology --- clinical disease --- control --- Culicoides --- SARS-CoV-2 --- nasal secretions --- equine coronavirus --- horse --- enteric disease --- ECoV --- seroprevalence --- equine --- viruses --- loop-mediated isothermal amplification --- insulated isothermal polymerase chain reaction --- field-deployable --- point-of-care testing --- Huculs --- viral status --- immunological status --- equine viral diseases --- EHV-1 --- EHV-4 --- ELISA --- VNT --- Morocco --- equine parvoviruses --- equine parvovirus hepatitis --- equine parvovirus CSF --- equine copivirus --- nasal fluid --- blood --- qPCR --- sick equids --- healthy horses --- gammaherpesvirus --- horses --- respiratory disease --- equine herpesvirus 1, -2, -4, -5 --- equine influenza --- quantitative PCR --- equine encephalosis virus --- EEV --- epidemiology --- clinical disease --- control --- Culicoides --- SARS-CoV-2 --- nasal secretions
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