Resumen

HERRERO-URIBE, Libia. Influenza virus and avian flu. Acta méd. costarric [online]. 2008, vol.50, n.1, pp.13-19. ISSN 0001-6002.

This article presents a review of Influenza virus,its biology,its mechanism of antigenic variation and its prevention by vaccination and the use of antivirals.The pandemics produced by this virus through history are presented.The appearance of the avian flu virus H5N1 is analyzed and its pathogenesis and strategies of prevention are discussed.National and international information about pandemic preparedness is presented.

Palabras clave : Influenza A; avian influenza; pandemia; HN1.

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