questionsmedicales.fr
Virus
Virus à ARN
Retroviridae
Lentivirus
Lentivirus ovins-caprins
Virus maedi-visna
Virus maedi-visna : Questions médicales fréquentes
Termes MeSH sélectionnés :
Reverse Transcriptase Polymerase Chain Reaction
Diagnostic
5
Virus maedi-visna
Diagnostic médical
Tests de diagnostic
Virus maedi-visna
Symptômes
Virus maedi-visna
Virus maedi-visna
Infection virale
Diagnostic précoce
Virus maedi-visna
Symptômes
5
Symptômes
Virus maedi-visna
Symptômes neurologiques
Virus maedi-visna
Portage asymptomatique
Virus maedi-visna
Évolution des symptômes
Virus maedi-visna
Prévention
5
Prévention
Virus maedi-visna
Dépistage
Virus maedi-visna
Hygiène
Virus maedi-visna
Vaccination
Virus maedi-visna
Quarantaine
Virus maedi-visna
Traitements
5
Traitement
Virus maedi-visna
Antiviraux
Virus maedi-visna
Gestion des animaux
Virus maedi-visna
Vaccins
Virus maedi-visna
Nutrition
Virus maedi-visna
Complications
5
Complications
Virus maedi-visna
Fréquence des complications
Virus maedi-visna
Production animale
Virus maedi-visna
Complications irréversibles
Virus maedi-visna
Pronostic
Virus maedi-visna
Facteurs de risque
5
Facteurs de risque
Virus maedi-visna
Races animales
Virus maedi-visna
Environnement
Virus maedi-visna
Pratiques d'élevage
Virus maedi-visna
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"name": "Comment diagnostiquer une infection par le virus maedi-visna ?",
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"text": "Le diagnostic repose sur des tests sérologiques et des analyses PCR pour détecter le virus."
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"@type": "Question",
"name": "Quels tests sont utilisés pour le virus maedi-visna ?",
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"position": 8,
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"text": "Oui, des signes neurologiques comme des tremblements et des troubles de la coordination peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils toujours présents ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, certains animaux peuvent être porteurs sans montrer de symptômes cliniques."
}
},
{
"@type": "Question",
"name": "Comment évoluent les symptômes au fil du temps ?",
"position": 10,
"acceptedAnswer": {
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"text": "Les symptômes peuvent s'aggraver progressivement, menant à des complications graves."
}
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{
"@type": "Question",
"name": "Comment prévenir l'infection par le virus maedi-visna ?",
"position": 11,
"acceptedAnswer": {
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"text": "La prévention passe par l'isolement des animaux infectés et des pratiques d'élevage saines."
}
},
{
"@type": "Question",
"name": "Les tests de dépistage sont-ils efficaces ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le dépistage régulier des troupeaux permet de détecter et d'éliminer les animaux infectés."
}
},
{
"@type": "Question",
"name": "Quelles mesures d'hygiène sont recommandées ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des mesures d'hygiène strictes, comme le nettoyage des équipements, sont essentielles."
}
},
{
"@type": "Question",
"name": "Les animaux doivent-ils être vaccinés ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Bien qu'il n'y ait pas de vaccin, la vaccination contre d'autres maladies est recommandée."
}
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{
"@type": "Question",
"name": "Comment gérer les nouveaux animaux dans un troupeau ?",
"position": 15,
"acceptedAnswer": {
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"text": "Les nouveaux animaux doivent être testés et mis en quarantaine avant d'intégrer le troupeau."
}
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{
"@type": "Question",
"name": "Quel est le traitement principal pour le virus maedi-visna ?",
"position": 16,
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}
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{
"@type": "Question",
"name": "Peut-on utiliser des antiviraux contre ce virus ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
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}
},
{
"@type": "Question",
"name": "Comment gérer les animaux infectés ?",
"position": 18,
"acceptedAnswer": {
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}
},
{
"@type": "Question",
"name": "Y a-t-il des vaccins disponibles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de vaccin commercialement disponible contre le virus maedi-visna."
}
},
{
"@type": "Question",
"name": "Quel rôle joue la nutrition dans le traitement ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne nutrition peut aider à renforcer le système immunitaire des animaux infectés."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec le virus maedi-visna ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent pneumonie chronique et encéphalite, pouvant être mortelles."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles fréquentes ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les complications sont courantes chez les animaux infectés, surtout sans traitement."
}
},
{
"@type": "Question",
"name": "Comment les complications affectent-elles la production ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent réduire la productivité des animaux, affectant la rentabilité de l'élevage."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être gérées, mais beaucoup sont irréversibles et graves."
}
},
{
"@type": "Question",
"name": "Quel est le pronostic pour les animaux infectés ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le pronostic dépend de la gravité des symptômes; beaucoup développent des complications graves."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'infection ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, le stress, et la densité de population dans le troupeau."
}
},
{
"@type": "Question",
"name": "Le stress augmente-t-il le risque d'infection ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut affaiblir le système immunitaire, augmentant le risque d'infection."
}
},
{
"@type": "Question",
"name": "Les races de moutons sont-elles affectées différemment ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines races peuvent être plus susceptibles à l'infection en raison de leur génétique."
}
},
{
"@type": "Question",
"name": "L'environnement joue-t-il un rôle dans l'infection ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un environnement surpeuplé et insalubre favorise la propagation du virus."
}
},
{
"@type": "Question",
"name": "Les pratiques d'élevage influencent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des pratiques d'élevage inadéquates augmentent le risque de transmission du virus."
}
}
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}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 15/04/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China. liushuying1968@imau.edu.cn.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
Institute for Experimental Pathology, University of Iceland, Keldur, Reykjavik 112, Iceland.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
Siirt University Faculty of Veterinary Medicine, Department of Genetics, Siirt, Türkiye.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
Ege University Faculty of Science Department of Biology Molecular Biology Section, İzmir, Türkiye; Ege University Vaccine Development Application and Research Center, İzmir, Türkiye.
Publications dans "Virus maedi-visna" :
3 publications dans cette catégorie
Affiliations :
Institute of Molecular Biosciences, Mahidol University, Salaya, 73170, Thailand. duncan_r_smith@hotmail.com.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.
Key Laboratory of Clinical Diagnosis and Treatment Technology for Animal Disease, Ministry of Agriculture, Hohhot 010018, China.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, USA.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Norwegian Veterinary Institute, P.O. Box 64, 1431 Ås, Norway.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Norwegian Veterinary Institute, P.O. Box 64, 1431 Ås, Norway.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Anatomy and Physiology of Farm Animals, Department of Animal Science, Agricultural University of Athens (AUA), Iera Odos 75 str., 11855 Athens, Greece.
Publications dans "Virus maedi-visna" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Anatomy and Physiology of Farm Animals, Department of Animal Science, Agricultural University of Athens (AUA), Iera Odos 75 str., 11855 Athens, Greece.
Publications dans "Virus maedi-visna" :
Areca palm velarivirus 1 (APV1) is one of the main pathogen causing yellow leaf disease, and leading to considerable losses in the Areca palm industry. The detection methods for APV1 are primarily bas...
The aim of this study was to evaluate the time in days between symptom onset and first positive real-time reverse transcriptase polymerase chain reaction (RT-PCR) result for COVID-19....
This systematic review was conducted in the MEDLINE (PubMed), Embase, and Scopus databases using the following descriptors: "COVID-19", "SARS-CoV-2", "coronavirus", "RT-PCR", "real time PCR", and "dia...
The included studies were conducted in 31 different countries and reported on a total of 6831 patients. The median age of the participants was 49.95 years. The three most common symptoms were fever, c...
These findings corroborate the RT-PCR COVID-19 testing practices of some health units. In addition, the most frequently described symptoms of these patients can be considered the initial symptoms of i...
Quantitative polymerase chain reaction (qPCR) offers the capabilities of real-time monitoring of amplified products, fast detection, and quantitation of infectious units, but poses technical hurdles f...
During the COVID-19 pandemic, the reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) assay has been the primary method of diagnosis of SARS-CoV-2 infection. However, RT-qPCR assay ...
Many countries have applied the wastewater surveillance of the COVID-19 pandemic to their national public health monitoring measures. The most used methods for detecting SARS-CoV-2 in wastewater are q...
This study aims to compare RT-qPCR and RT-ddPCR for detecting SARS-CoV-2 in wastewater. It also aimed to investigate the effect of changes in the analytical pipeline, including the RNA extraction kit,...
We compared 2 RT-qPCR kits, TaqMan RT-qPCR and QuantiTect RT-qPCR, and RT-ddPCR based on sensitivity, positivity rates, variability, and correlation of SARS-CoV-2 gene copy numbers in wastewater to th...
Our results indicated that the most sensitive method to detect SARS-CoV-2 in wastewater was RT-ddPCR. It had the highest positivity rate (26/30), and its limit of detection was the lowest (0.06 gene c...
As our study, as well as most of the previous studies, has shown RT-ddPCR to be more sensitive than RT-qPCR, its use in the wastewater surveillance of SARS-CoV-2 should be considered, especially if th...
In order to rapidly differentiate sublineages BA.1 and BA.2 of the SARS-CoV-2 variant of concern Omicron, we developed a real-time reverse-transcriptase polymerase chain reaction to target the discrim...
Existing real-time reverse transcriptase PCR (RT-qPCR) has certain limitations for the point-of-care detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) since it requires sophist...
The RT-PSR assay was optimized using RdRp gene and evaluated for the detection of SARS-CoV-2. The time of 60min and a temperature of 63°C was optimized for targeting the RNA-dependent RNA polymerase g...
The specific primers designed for this assay showed 100% specificity and did not react when tested with other lung infection-causing viruses and bacteria. The optimized assay was validated with 190 cl...
The RT-PSR assay can be considered for rapid and sensitive detection of SARS-CoV-2, particularly in resource-limited settings. To our knowledge, there is as yet no RT-PSR-based kit developed for SARS-...
COVID-19 pandemic highlighted the demand for the fast and reliable detection of viral RNA. Although various methods for RNA amplification and detection have been proposed, some limitations, including ...
Although conventional polymerase chain reaction (PCR) methods are widely used in diagnosis, the titer of the pathogenic virus is difficult to determine based on the PCR. In our prior report, a long-ra...
IAV was inactivated by: heating at 100 °C for periods ranging from 1 to 15 min, treating with 0.12% sodium hypochlorite for periods ranging from 3 to 30 min, or treating with 70% ethanol for periods r...
One minute heating, 3 min sodium hypochlorite treatment, or 10 min ethanol treatment was sufficient to deactivate IAV. Changes before and after the inactivations in the copy numbers on LR-RT-qPCR were...
In addition to good applicability in UV-irradiation previously reported, the LR-RT-qPCR method is suitable for evaluating the effect of heat-inactivation on IAV infectivity. However, minor modificatio...
Sapovirus (SaV) is a causative agent of human gastroenteritis in both community outbreaks and sporadic cases worldwide. Shellfish accumulate a variety of pathogens during filter feeding. In particular...