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[Emergence and species barriers].

A Vabret1

  • 1Laboratoire de virologie, CHU de Caen, avenue Georges-Clémenceau, 14033 Caen, France. vabret-a@chu-caen.fr

Medecine Et Maladies Infectieuses
|December 29, 2004
PubMed
Summary

Emergent viral infections have increased in the last 20 years, often originating from animals and crossing species barriers. Identifying animal reservoirs is crucial for preventing future outbreaks and protecting public health.

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Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Context:

  • Emergent viral infections have increased incidence over the past two decades.
  • These infections affect both human and animal populations.
  • Zoonotic origins and inter-species transmission are key characteristics of emergent human viruses.

Purpose:

  • To define emergent viral infections and their characteristics.
  • To highlight factors contributing to inter-species viral transmission.
  • To emphasize the importance of screening animal reservoirs for disease prevention.

Summary:

  • Emergent viral infections are defined by their increased incidence over the last 20 years.
  • Factors such as environmental changes, bioterrorism, and viral evolution facilitate the crossing of species barriers.
  • Screening animal reservoirs is vital for preventing re-emergence and eradicating diseases.

Impact:

  • Emergent viruses pose significant threats to public health, as evidenced by pandemics like influenza and HIV/AIDS.
  • Recent outbreaks such as SARS underscore the ongoing risk of emergent viral diseases.
  • Understanding and controlling emergent viruses is critical for global health security.

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