questionsmedicales.fr
Disciplines des sciences naturelles
Disciplines des sciences biologiques
Biologie
Microbiologie
Virologie
Virologie : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Infections virales
Diagnostic médical
Polymerase Chain Reaction
Infections virales
Grippe
Diagnostic médical
Symptômes
Infections virales
Symptômes
5
Hépatite virale
Symptômes
Complications
5
Virus Ebola
Complications
Facteurs de risque
5
Grippe
Facteurs de risque
Hépatite C
Facteurs de risque
COVID-19
Facteurs de risque
Varicelle
Facteurs de risque
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{
"@type": "Question",
"name": "Quels tests sont utilisés pour le VIH ?",
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"position": 4,
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"@type": "Question",
"name": "Quels symptômes indiquent une infection virale ?",
"position": 5,
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"@type": "Question",
"name": "Quels sont les symptômes de l'hépatite virale ?",
"position": 6,
"acceptedAnswer": {
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"@type": "Question",
"name": "Comment se manifeste le COVID-19 ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fièvre, toux, essoufflement et perte de goût sont des symptômes clés."
}
},
{
"@type": "Question",
"name": "Quels signes d'infection par le virus de la varicelle ?",
"position": 8,
"acceptedAnswer": {
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"text": "Éruption cutanée, démangeaisons et fièvre sont typiques de la varicelle."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une infection à rhinovirus ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Congestion nasale, éternuements et maux de gorge sont courants."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une infection par le virus Ebola ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fièvre, vomissements, diarrhée et hémorragies peuvent se manifester."
}
},
{
"@type": "Question",
"name": "Comment prévenir l'infection par le VIH ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des préservatifs et des traitements prophylactiques comme le PrEP."
}
},
{
"@type": "Question",
"name": "Quelles vaccins pour prévenir la grippe ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le vaccin antigrippal est recommandé chaque année pour réduire le risque."
}
},
{
"@type": "Question",
"name": "Comment éviter la transmission du COVID-19 ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Porter un masque, se laver les mains et se faire vacciner sont essentiels."
}
},
{
"@type": "Question",
"name": "Quelles mesures pour prévenir l'hépatite A ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Vaccination et hygiène alimentaire sont cruciales pour prévenir l'hépatite A."
}
},
{
"@type": "Question",
"name": "Comment prévenir la varicelle ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "La vaccination est le moyen le plus efficace de prévenir la varicelle."
}
},
{
"@type": "Question",
"name": "Quels traitements pour le VIH ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antirétroviraux sont utilisés pour contrôler l'infection par le VIH."
}
},
{
"@type": "Question",
"name": "Comment traiter une grippe ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antiviraux comme l'oseltamivir peuvent réduire la durée des symptômes."
}
},
{
"@type": "Question",
"name": "Y a-t-il un traitement pour l'hépatite C ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antiviraux à action directe peuvent guérir l'hépatite C."
}
},
{
"@type": "Question",
"name": "Comment traiter une infection à coronavirus ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des antiviraux et des soins de soutien selon la gravité."
}
},
{
"@type": "Question",
"name": "Quels sont les traitements pour la varicelle ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antihistaminiques et des antiviraux peuvent soulager les symptômes."
}
},
{
"@type": "Question",
"name": "Quelles complications de l'hépatite B ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Cirrhose et cancer du foie peuvent survenir chez les patients chroniques."
}
},
{
"@type": "Question",
"name": "Quelles complications du virus Ebola ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des troubles hémorragiques et des défaillances organiques."
}
},
{
"@type": "Question",
"name": "Quels risques liés à la grippe ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des pneumonies et des exacerbations d'asthme peuvent survenir chez les vulnérables."
}
},
{
"@type": "Question",
"name": "Quelles complications du COVID-19 ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des problèmes respiratoires chroniques et des troubles neurologiques peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Quelles complications de la varicelle ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Infections bactériennes secondaires et pneumonie peuvent survenir chez les adultes."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour le VIH ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les rapports non protégés et l'utilisation de drogues injectables augmentent le risque."
}
},
{
"@type": "Question",
"name": "Qui est à risque de grippe sévère ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes âgées, les jeunes enfants et les immunodéprimés sont plus à risque."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'hépatite C ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'utilisation de drogues injectables et les transfusions sanguines non sécurisées sont des risques."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour le COVID-19 ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge avancé, les maladies chroniques et l'obésité augmentent le risque de complications."
}
},
{
"@type": "Question",
"name": "Qui est à risque de varicelle ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes non vaccinées et celles ayant un système immunitaire affaibli sont à risque."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 09/04/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, Emory University, Atlanta, Georgia, USA.
Publications dans "Virologie" :
5 publications dans cette catégorie
Affiliations :
Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
Publications dans "Virologie" :
5 publications dans cette catégorie
Affiliations :
Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Publications dans "Virologie" :
5 publications dans cette catégorie
Affiliations :
Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Immunobiology, University of Arizona, Tucson, Arizona, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Cancer Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, Cornell University, Ithaca, New York, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, Oregon, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Genetics, Yale School of Medicine, New Haven, Connecticut, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology, Ohio State University, Wooster, Ohio, USA.
Viruses and Emerging Pathogens Program, Infectious Diseases Institute, Ohio State University, Wooster, Ohio, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, North Carolina, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
School of Life Sciences, Arizona State University, Tempe, Arizona, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, Columbia University, New York, New York, USA.
Department of Physiology, Columbia University, New York, New York, USA.
Department of Biophysics, Columbia University, New York, New York, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, University of Rochester, Rochester, New York, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Developmental, Molecular, and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts, USA.
Publications dans "Virologie" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, SUNY Upstate Medical Center, Syracuse, New York, USA.
Publications dans "Virologie" :
End-stage heart failure often requires heart transplantation as a life-prolonging treatment. Immunosuppressive therapy is necessary to avoid rejection, but is associated with serious adverse effects. ...
Human torque teno viruses (TTVs) are a diverse group of small nonenveloped viruses with circular, single-stranded DNA genomes. These elusive anelloviruses are harbored in the blood stream of most huma...
Torque teno virus (TTV) is a ubiquitous anellovirus responsible for persistent infections and is considered a marker of immune function. The role of TTV as a facilitator of respiratory infections (RIs...
Our aim was to estimate, in a prospective study, the prevalence of TTV in the nasopharyngeal aspirate (NPA) of hospitalized children <5 years old, with RIs and correlate them with outcomes and immune ...
NPA was taken for testing of 16 respiratory viruses by reverse transcription-polymerase chain reaction (PCR), TTV PCR, and immunologic study....
Sixty hospitalized children with an RI were included. A total of 51/60 patients had positive common respiratory viral (CRV) identification. A total of 23/60 (38.3%) children were TTV+ in NPA. TTV+ pat...
TTV infection is common in children with RI and could be associated with abnormal imaging in radiograph, greater severity and an alteration in filaggrin gene expression and protein release....
Torque teno virus (TTV) is highly prevalent, but little is known about its circulation in humans. Here, we investigated the geographical distribution and phylogeny of TTV in Romania. A fragment of TTV...
Torque teno virus (TTV) viral load (VL), a component of the human virome, increases during immune suppression or dysregulation. This study aimed to explore TTV VL in youths living with vertically acqu...
To determine the correlation between the presence of torque teno virus (TTV) in the aqueous humor of patients with uveitis and clinical information, including immunodeficiency history....
Multicenter, retrospective, cross-sectional study....
Fifty-eight patients with uveitis with a suspected infectious etiology and 24 controls with cataract or age-related macular degeneration were included. We used quantitative polymerase chain reaction t...
Ocular TTV positivity was found in 23%, 11%, and 0% of patients with herpetic uveitis, nonherpetic uveitis, and controls, respectively. Among patients with herpes infection, positivity for ocular TTV ...
These findings suggest that positivity for ocular TTV was correlated with a clinical history of systemic immunodeficiency....
The ubiquitous Torque teno virus (TTV) establishes a chronically persistent infection in the human host. TTV has not been associated with any apparent disease, but, as part of the human virome, it may...
Torque teno virus (TTV) replication is controlled by immune status, mirroring a degree of immunosuppression after solid organ transplantation. TTV viraemia (TTVv) was associated with acute cellular re...
One hundred plasma samples paired with graft biopsies from a prospective single-center biorepository were analyzed....
The median time post-LT was 23 months (range, 2-298). TTVv was detectable in 97%. TTVv decreased over time after LT and showed a significant decline from year 1 to later time points. Hence, TTVv corre...
The independent association of histological graft fibrosis with lower TTVv in year 1 underscores that a pharmacodynamic marker would be preferable to individualize immunosuppression after LT. However,...
Cancer patients with SARS-CoV-2 infection can experience a broad range of clinical manifestations and outcomes. Previous studies have demonstrated an association between torque teno virus (TTV) load a...
In this retrospective study, 157 cancer patients and 191 noncancer controls were analysed for SARS-CoV-2 RNA and TTV DNA presence....
SARS-CoV-2 RNA was detected in 66.2% of cancer patients and in 68.6% of noncancer control subjects. In SARS-CoV-2-positive patients, TTV was detectable in 79.8% of cancer patients, while in controls, ...
Our findings indicated that the presence of TTV in nasopharyngeal swabs from cancer patients was related to a higher number of deaths from COVID-19 and to a higher TTV DNA load....
Quantification of torque teno virus (TTV) has been proposed as a surrogate parameter to monitor immunocompetence in kidney transplant recipients (KTRs) early after transplantation. However, its use in...
In this post hoc analysis, we quantified TTV load in sera of 76 KTRs, with 43 pausing mycophenolic acid (MPA) 1 wk before to 4 wk after COVID-19 vaccination to increase vaccine response. TTV load was ...
TTV load before vaccination was with a median (interquartile range) of 1.39 × 10 4 copies/milliliter (c/mL) (9.17 × 10 1 -2.66 × 10 5 c/mL) highest in KTRs compared to 1.73 × 10 3 c/mL (1.07 × 10 3 -1...
TTV load reflects changes in immunosuppressive therapy even late after transplantation, supporting its use to monitor immunocompetence in KTRs....