Emerging infectious disease

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An emerging infectious disease (EID) is an infectious disease whose incidence has increased in the past 20 years and threatens to increase in the near future. EIDs include diseases caused by a newly identified microorganism or newly identified strain of a known microorganism (e.g. SARS, AIDS);[1] new infections resulting from change or evolution of an existing organism (e.g. influenza), a known infection which spreads to a new geographic area or population (e.g. West Nile virus), newly recognized infection in an area undergoing ecologic transformation, and pre-existing and recognized infections reemerging due to drug resistance of their agent or to a breakdown in public health (e.g. tuberculosis).

Mechanisms of emergence and reemergence


  1. Fauci AS (2005). "Emerging and reemerging infectious diseases: the perpetual challenge". Academic medicine : journal of the Association of American Medical Colleges. 80 (12): 1079–85. PMID 16306276.
  • Lashley FR (2004). "Emerging infectious diseases: vulnerabilities, contributing factors and approaches". Expert review of anti-infective therapy. 2 (2): 299–316. PMID 15482195.

External links

de:Emerging Infectious Diseases