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Respiratory viral threats.

Frederick G Hayden1

  • 1Department of Internal Medicine, University of Virginia School of Medicine, Box 800473, Charlottesville, VA 22908, USA. fgh@virginia.edu

Current Opinion in Infectious Diseases
|March 4, 2006
PubMed
Summary
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Emerging respiratory viruses like avian influenza (A/H5N1) and SARS-CoV pose significant pandemic threats. While progress is made in interventions, effective vaccines and antivirals for many respiratory viruses remain elusive.

Area of Science:

  • Virology
  • Public Health
  • Epidemiology

Background:

  • Emerging respiratory viral threats pose a significant global health concern.
  • Avian influenza (A/H5N1) and severe acute respiratory syndrome coronavirus (SARS-CoV) are key examples of zoonotic viral threats.
  • Seasonal influenza significantly impacts pediatric populations, necessitating broader immunization strategies.

Purpose of the Study:

  • To review peer-reviewed literature from 2005 on emerging respiratory viral threats.
  • To assess the current state of knowledge regarding pandemic influenza and other novel respiratory viruses.
  • To evaluate the progress in developing interventions for respiratory viral infections.

Main Methods:

  • Literature review of peer-reviewed publications from 2005.

Related Experiment Videos

  • Analysis of data on viral epizootics and human cases.
  • Assessment of molecular diagnostic techniques for virus identification.
  • Main Results:

    • The expanding epizootic of avian A/H5N1 influenza raises pandemic concerns, with studies highlighting potential for interspecies transmission.
    • Antiviral agents are crucial for influenza response, but supply limitations and resistance are concerns.
    • Molecular diagnostics have identified new coronaviruses and a respiratory parvovirus, and clarified the impact of human metapneumovirus and rhinoviruses on respiratory illnesses and asthma.

    Conclusions:

    • Specific interventions for influenza and SARS-CoV show promise.
    • Effective antivirals and vaccines are still lacking for many other emerging respiratory viruses.
    • Continued research and development are essential to address the threat of respiratory viral pathogens.