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[Emergent viruses and/or repeated threats]

B Lina1

  • 1Laboratoire de Virologie Lyon Est, CNR des entérovirus & CNR des virus influenza région sud, UMR CNRS 5537, Domaine Rockefeller, 69373 Lyon cedex 08.

Antibiotiques (Paris, France : 1999)
|April 15, 2020
PubMed

Insights

Emergent viruses, like SARS and avian flu, pose repeated threats due to factors enabling animal-to-human transmission. Understanding these viral emergence mechanisms is crucial for public health preparedness.

Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Context:

  • Emerging viruses pose significant global health risks, as evidenced by recent epidemics.
  • Factors contributing to viral emergence and transmission are of increasing concern.
  • Historical fears of pathogenic agents capable of causing high-mortality epidemics have resurfaced.

Purpose:

  • To analyze the mechanisms behind viral emergence.
  • To understand the factors leading to zoonotic transmission.
  • To highlight the role of ecological, economic, and epidemiological factors in epidemic spread.

Summary:

  • Viral emergence is not random but results from accumulated factors facilitating animal-to-human transmission.
  • Transmission routes include direct contact and intermediate vectors like mosquitoes, ticks, and mammals.
  • Ecological, economic, and epidemiological factors converge, enabling widespread epidemic potential.

Impact:

  • Improved surveillance networks and diagnostic technologies enhance the identification of emerging viruses.
  • Recent outbreaks such as SARS and avian influenza underscore the importance of studying viral emergence.
  • This research informs strategies for preventing and managing future epidemic threats.
Keywords:
Avian FluEmergent virusesSARSepidemicsmechanisms of emergencemodes of transmissionsurveillance networks

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