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Highly pathogenic RNA viral infections; Challenges for antiviral research

Identifieur interne : 000525 ( PascalFrancis/Curation ); précédent : 000524; suivant : 000526

Highly pathogenic RNA viral infections; Challenges for antiviral research

Auteurs : Mike Bray [États-Unis]

Source :

RBID : Pascal:08-0308649

Descripteurs français

English descriptors

Abstract

A number of RNA viruses can cause severe disease when transmitted to humans from an animal reservoir. One of them, the recently emerged H5N1 subtype of influenza A virus, has caused several hundred cases of severe disease when transferred directly from domestic poultry. This or another avian subtype could potentially evolve to a form more transmissible by the respiratory route or reassort with a circulating strain to initiate a pandemic. Other zoonotic RNA viruses cause sporadic single cases or outbreaks of hemorrhagic fever or encephalitis that spread inefficiently from person-to-person, and thus remain confined to the geographic range of the maintenance host. RNA viral infections of farm animals, such as foot and mouth disease and classical swine fever, also pose a major threat to human well-being through economic loss and impaired nutrition. Only a few licensed antiviral drugs are available to prevent or treat these conditions. Medications that inhibit the replication of influenza virus might be used in an epidemic both to treat severe disease and to block the spread of infection. The guanosine analog ribavirin has been used to treat a few types of hemorrhagic fever, but there is no specific therapy for the others, or for any type of RNA viral encephalitis. The quest for new antivirals is being supported by government programs and new collaborative research networks. Major efforts will be required to identify active compounds, test their efficacy in laboratory animals, obtain approval for human use and develop rapid diagnostic methods that can identify patients early enough in the disease course for treatment to be of benefit.
pA  
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A02 01      @0 ARSRDR
A03   1    @0 Antivir. res.
A05       @2 78
A06       @2 1
A08 01  1  ENG  @1 Highly pathogenic RNA viral infections; Challenges for antiviral research
A09 01  1  ENG  @1 Treatment of highly pathogenic RNA viral infections
A11 01  1    @1 BRAY (Mike)
A12 01  1    @1 BRAY (Mike) @9 limin.
A12 02  1    @1 NEYTS (Johan) @9 limin.
A14 01      @1 Integrated Research Facility, Division of Clinical Research/National Institute of Allergy and Infectious Diseases, National Institutes of Health, Room 5128, 6700A Rockledge Drive @2 Bethesda MD 20892 @3 USA @Z 1 aut.
A15 01      @1 Integrated Research Facility, National Institute of Allergy and Infectious Diseases, National Institutes of Health @2 Bethesda, MD @3 USA @Z 1 aut.
A15 02      @1 Rega Institute for Medical Research, Catholic University Leuven @2 Leuven @3 BEL @Z 2 aut.
A20       @1 1-8
A21       @1 2008
A23 01      @0 ENG
A43 01      @1 INIST @2 18839 @5 354000172642930005
A44       @0 0000 @1 © 2008 INIST-CNRS. All rights reserved.
A45       @0 3/4 p.
A47 01  1    @0 08-0308649
A60       @1 P
A61       @0 A
A64 01  1    @0 Antiviral research
A66 01      @0 NLD
C01 01    ENG  @0 A number of RNA viruses can cause severe disease when transmitted to humans from an animal reservoir. One of them, the recently emerged H5N1 subtype of influenza A virus, has caused several hundred cases of severe disease when transferred directly from domestic poultry. This or another avian subtype could potentially evolve to a form more transmissible by the respiratory route or reassort with a circulating strain to initiate a pandemic. Other zoonotic RNA viruses cause sporadic single cases or outbreaks of hemorrhagic fever or encephalitis that spread inefficiently from person-to-person, and thus remain confined to the geographic range of the maintenance host. RNA viral infections of farm animals, such as foot and mouth disease and classical swine fever, also pose a major threat to human well-being through economic loss and impaired nutrition. Only a few licensed antiviral drugs are available to prevent or treat these conditions. Medications that inhibit the replication of influenza virus might be used in an epidemic both to treat severe disease and to block the spread of infection. The guanosine analog ribavirin has been used to treat a few types of hemorrhagic fever, but there is no specific therapy for the others, or for any type of RNA viral encephalitis. The quest for new antivirals is being supported by government programs and new collaborative research networks. Major efforts will be required to identify active compounds, test their efficacy in laboratory animals, obtain approval for human use and develop rapid diagnostic methods that can identify patients early enough in the disease course for treatment to be of benefit.
C02 01  X    @0 002B02S05
C02 02  X    @0 002B05C
C03 01  X  FRE  @0 Pouvoir pathogène @5 01
C03 01  X  ENG  @0 Pathogenicity @5 01
C03 01  X  SPA  @0 Poder patógeno @5 01
C03 02  X  FRE  @0 Grippe @5 02
C03 02  X  ENG  @0 Influenza @5 02
C03 02  X  SPA  @0 Gripe @5 02
C03 03  X  FRE  @0 Antiviral @5 04
C03 03  X  ENG  @0 Antiviral @5 04
C03 03  X  SPA  @0 Antiviral @5 04
C03 04  X  FRE  @0 Virus à ARN @5 05
C03 04  X  ENG  @0 RNA virus @5 05
C03 04  X  SPA  @0 Virus con RNA @5 05
C03 05  X  FRE  @0 Recherche et développement @5 06
C03 05  X  ENG  @0 Research and development @5 06
C03 05  X  SPA  @0 Investigación desarrollo @5 06
C03 06  X  FRE  @0 Vaccin @5 07
C03 06  X  ENG  @0 Vaccine @5 07
C03 06  X  SPA  @0 Vacuna @5 07
C03 07  X  FRE  @0 Fièvre hémorragique @5 08
C03 07  X  ENG  @0 Hemorrhagic fever @5 08
C03 07  X  SPA  @0 Fiebre hemorrágica @5 08
C03 08  X  FRE  @0 Bétail @5 09
C03 08  X  ENG  @0 Livestock @5 09
C03 08  X  SPA  @0 Ganado @5 09
C03 09  X  FRE  @0 Vétérinaire @5 10
C03 09  X  ENG  @0 Veterinary @5 10
C03 09  X  SPA  @0 Veterinario @5 10
C03 10  X  FRE  @0 Homme @5 11
C03 10  X  ENG  @0 Human @5 11
C03 10  X  SPA  @0 Hombre @5 11
C03 11  X  FRE  @0 Article synthèse @5 12
C03 11  X  ENG  @0 Review @5 12
C03 11  X  SPA  @0 Artículo síntesis @5 12
C03 12  X  FRE  @0 Encéphalite virale @4 CD @5 96
C03 12  X  ENG  @0 Viral encephalitis @4 CD @5 96
C07 01  X  FRE  @0 Virose
C07 01  X  ENG  @0 Viral disease
C07 01  X  SPA  @0 Virosis
C07 02  X  FRE  @0 Infection
C07 02  X  ENG  @0 Infection
C07 02  X  SPA  @0 Infección
C07 03  X  FRE  @0 Arbovirose
C07 03  X  ENG  @0 Arbovirus disease
C07 03  X  SPA  @0 Arbovirosis
N21       @1 196

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Pascal:08-0308649

Le document en format XML

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