questionsmedicales.fr
Structures virales
Virion
Virion : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Tests de diagnostic
Virion
Microscopie électronique
Virus
Tests sérologiques
Anticorps
Symptômes
5
Infection virale
Symptômes
Variabilité des symptômes
Virus
Période d'incubation
Infection virale
Symptômes neurologiques
Virus
Prévention
5
Masques
Transmission virale
Hygiène personnelle
Prévention
Traitements
5
Antibiotiques
Infection virale
Traitement symptomatique
Infection virale
Résistance virale
Antiviraux
Complications
5
Complications
Infection virale
Maladies chroniques
Virus
Gestion des complications
Traitement
Variabilité des complications
Virus
Facteurs de risque
5
Facteurs de risque
Infection virale
Stress
Système immunitaire
Maladies chroniques
Infection virale
Environnement
Infection virale
Habitudes alimentaires
Système immunitaire
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"@type": "Question",
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"@type": "Question",
"name": "Les virions peuvent-ils être visualisés au microscope ?",
"position": 3,
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"@type": "Question",
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"@type": "Question",
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"name": "Les symptômes d'une infection virale sont-ils immédiats ?",
"position": 9,
"acceptedAnswer": {
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"text": "Non, il peut y avoir une période d'incubation avant l'apparition des symptômes."
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{
"@type": "Question",
"name": "Les virions peuvent-ils provoquer des symptômes neurologiques ?",
"position": 10,
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"text": "Oui, certains virions, comme ceux de la grippe, peuvent affecter le système nerveux."
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"@type": "Question",
"name": "Comment prévenir les infections virales ?",
"position": 11,
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{
"@type": "Question",
"name": "Les masques protègent-ils contre les virions ?",
"position": 12,
"acceptedAnswer": {
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"text": "Oui, les masques réduisent la transmission des virions par voie respiratoire."
}
},
{
"@type": "Question",
"name": "Les vaccins sont-ils efficaces contre tous les virions ?",
"position": 13,
"acceptedAnswer": {
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"text": "Non, chaque vaccin cible des virions spécifiques et ne protège pas contre tous."
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{
"@type": "Question",
"name": "L'hygiène personnelle aide-t-elle à prévenir les infections ?",
"position": 14,
"acceptedAnswer": {
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"text": "Oui, une bonne hygiène personnelle réduit le risque d'infections virales."
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"name": "Les voyages augmentent-ils le risque d'infection virale ?",
"position": 15,
"acceptedAnswer": {
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{
"@type": "Question",
"name": "Quels traitements sont efficaces contre les virions ?",
"position": 16,
"acceptedAnswer": {
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"text": "Les antiviraux, comme l'oseltamivir, sont utilisés pour traiter certaines infections virales."
}
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{
"@type": "Question",
"name": "Les antibiotiques sont-ils efficaces contre les virions ?",
"position": 17,
"acceptedAnswer": {
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"text": "Non, les antibiotiques ne sont pas efficaces contre les infections virales."
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{
"@type": "Question",
"name": "Comment les vaccins agissent-ils contre les virions ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vaccins stimulent le système immunitaire à reconnaître et combattre les virions."
}
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{
"@type": "Question",
"name": "Les traitements symptomatiques sont-ils utiles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils aident à soulager les symptômes, mais ne traitent pas l'infection virale."
}
},
{
"@type": "Question",
"name": "Les traitements antiviraux sont-ils toujours efficaces ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, leur efficacité dépend du type de virus et de la résistance virale."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une infection virale ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme la pneumonie, la déshydratation ou des infections secondaires peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les virions peuvent-ils causer des maladies chroniques ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains virions, comme le VIH, peuvent entraîner des maladies chroniques."
}
},
{
"@type": "Question",
"name": "Comment les complications sont-elles gérées ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications sont gérées par des traitements symptomatiques et des soins médicaux appropriés."
}
},
{
"@type": "Question",
"name": "Les complications varient-elles selon le virion ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, chaque virion peut entraîner des complications différentes selon l'hôte."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus à risque de complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les enfants peuvent être plus vulnérables aux complications des infections virales."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'infection virale ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, le système immunitaire affaibli et l'exposition à des porteurs."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il le risque d'infection virale ?",
"position": 27,
"acceptedAnswer": {
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}
},
{
"@type": "Question",
"name": "Les maladies chroniques augmentent-elles le risque d'infection ?",
"position": 28,
"acceptedAnswer": {
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"text": "Oui, les maladies chroniques peuvent affaiblir l'immunité et augmenter le risque d'infection virale."
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{
"@type": "Question",
"name": "L'environnement joue-t-il un rôle dans le risque viral ?",
"position": 29,
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{
"@type": "Question",
"name": "Les habitudes alimentaires influencent-elles le risque viral ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation déséquilibrée peut affaiblir le système immunitaire et augmenter le risque."
}
}
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Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 09/03/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
Structural Virology Group, Central European Institute of Technology, Masaryk University, Kamenice 753/5, 62500 Brno, Czech Republic.
Publications dans "Virion" :
3 publications dans cette catégorie
Affiliations :
Structural Virology Group, Central European Institute of Technology, Masaryk University, Kamenice 753/5, 62500 Brno, Czech Republic pavel.plevka@ceitec.muni.cz.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Structural Virology Group, Central European Institute of Technology, Masaryk University, Kamenice 753/5, 62500 Brno, Czech Republic.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Department of Zoology, Fishery, Hydrobiology, and Apidology, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1/1665, 613 00 Brno, Czech Republic.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Cellular Signalling and Cytoskeletal Function Laboratory, The Francis Crick Institute, London, United Kingdom.
Department of Infectious Disease, Imperial College, London, United Kingdom.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Central European Institute of Technology, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Waksman Institute for Microbiology, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA.
Department of Biochemistry and Molecular Biology, Thomas Jefferson University, Philadelphia, 19107, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Department of Cell Biology and Neuroscience, Rowan University School of Osteopathic Medicine at Stratford, Stratford, NJ, 08084-1489, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, 20894, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, 20894, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Center of Life Sciences, Skolkovo Institute of Science and Technology, Moscow, 121205, Russia. maria.sokolova@mpinat.mpg.de.
Department of Molecular Biology, Max Planck Institute for Multidisciplinary Sciences, Göttingen, 37077, Germany. maria.sokolova@mpinat.mpg.de.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Department of Microbiology & Cell Biology, Montana State Universitygrid.41891.35, Bozeman, Montana, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Department of Microbiology & Cell Biology, Montana State Universitygrid.41891.35, Bozeman, Montana, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Department of Microbiology & Cell Biology, Montana State Universitygrid.41891.35, Bozeman, Montana, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Weizmann Institute of Science, Rehovot 7610001, Israel.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Weizmann Institute of Science, Rehovot 7610001, Israel.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Weizmann Institute of Science, Rehovot 7610001, Israel.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
California Institute of Technology, Pasadena, CA 91125, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
California Institute of Technology, Pasadena, CA 91125, USA.
Chan Zuckerberg Biohub, 499 Illinois Street, SF CA 94158, USA.
Publications dans "Virion" :
2 publications dans cette catégorie
Affiliations :
Weizmann Institute of Science, Rehovot 7610001, Israel.
Publications dans "Virion" :
To explore the impact of gender mismatch on corneal allograft rejection and rejection-related graft failure in patients with repeat penetrating keratoplasty (PK)....
A retrospective cohort was conducted at Ramathibodi Hospital, Bangkok, Thailand. Patients with repeat PK and follow-up period of at least 6 months were recruited. Demographic data, pre-operative ocula...
Of 68 patients with repeat PK, 26 patients (38.2%) were gender mismatched. There was no difference in 3-year rejection-free survival and graft survival between patients with gender mismatch and others...
Gender mismatch might not impact corneal graft rejection or rejection-related graft failure in patients with repeat PK. Younger age was found to be a strong factor associated with graft rejection. Gen...
We aimed to investigate the clinical characteristics and risk factors for graft rejection after keratoplasty in Japanese patients. We enrolled 730 cases (566 patients) of penetrating keratoplasty (PK,...
Acute rejection (AR) is a process triggered...
To report a case of epithelial downgrowth after penetrating keratoplasty....
A 58-year-old man presented with graft rejection in his three-month-old, repeat penetrating keratoplasty. Examination revealed centripetal opacification of the posterior cornea due to deep epithelizat...
Epithelial downgrowth is an uncommon complication of penetrating keratoplasty. It affects the patients' visual acuity and graft survival. Clinical observation is preferred in severe cases due to the h...
The aim of the study was to present the rates of rejection from 2018 to 2021 and evaluate the purported association between COVID-19 vaccination and corneal graft rejection....
Cases of corneal graft rejection diagnosed between January 2018 and December 2021 were reviewed. The conditional Poisson regression model of the self-controlled case series method was used to estimate...
Over the past 4 years, the annual tally of diagnosed cases of graft rejection (19 cases in year 2018, 19 cases in year 2019, 21 cases in year 2020, and 18 cases in year 2021) has remained relatively s...
No notable increase in rates of corneal graft rejection was noted in year 2021 when COVID-19 vaccination was broadly implemented. The apparent temporal relationship between COVID vaccination and corne...
To evaluate the association between donor-related factors and the risk of rejection in patients undergoing penetrating keratoplasty (PKP) for keratoconus....
A retrospective review was performed of keratoconus patients with no corneal neovascularization who underwent PKP from November 2014 to December 2016 and completed at least two years of follow-up. Pre...
A total of 201 eyes (of 201 patients) that underwent PKP for keratoconus were included. Of these, 22.9% (95% CI 17.6-29.2%) had an episode of graft rejection. The overall graft survival rate was 98.5%...
In the multivariable analysis, none of the donor-related factors were significantly associated with graft rejection; however, short death-to-surgery time may be associated with rejection after PKP. Re...
There are few predictive studies about early posttransplant outcomes taking into account baseline and posttransplant variables. The objective of this study was to create a predictive model for 30-day ...
Retrospective study with 1255 patients undergoing transplant from living and deceased donors at a tertiary health service in Brazil. Recipient, donor, transplantation, and postoperative period data we...
There were 147 (12.48%) cases of graft rejection within 30 days of transplantation. The best model was XGBoost (accuracy, 0.839; receiver operating characteristic area under the curve, 0.715; precisio...
We fitted a machine learning model to predict 30-day graft rejection after kidney transplantation that reaches a higher accuracy and precision. Machine learning models could contribute to predicting k...
Microvasculature consisting of endothelial cells and pericytes is the main site of injury during antibody-mediated rejection (ABMR) of renal grafts. Little is known about the mechanisms of activation ...
Rejection is one of the major factors affecting the long-term prognosis of kidney transplantation, and timely recognition and aggressive treatment of rejection is essential to prevent disease progress...
The complement system, consisting of more than thirty different soluble and cell-bound proteins, exerts essential functions both in the innate and adaptive immune systems and is believed to be an impo...
In this case-control feasibility study, complement factors C3a, C3dg, C4a, and C5a were measured in plasma and C3dg and sC5b-9 associated C9 neoantigen in urine in 15 kidney transplant recipients with...
In plasma, there were no significant differences between the rejection and the control group. However, steroids and pretransplant C3dg levels significantly influenced C3dg. Within the rejection group,...
This study shows increased plasma C3a and C3dg in kidney transplant recipients, primarily with T cell mediated rejection. This finding suggests that consecutive measurements of C3a and C3dg in plasma ...