Abstract

VIRUEZ SOTO, José Luis  and  VERA CARRASCO, Oscar. INFLUENZA A (h1N1): UN RESUMEN DE LECCIONES APRENDIDAS. Rev. Méd. La Paz [online]. 2013, vol.19, n.1, pp.57-64. ISSN 1726-8958.

ABSTRACT In late March 2009 was isolated a new virus influenza A (H1N1) of swine origin, spreading from Mexico and the U.S. initially, and then internationally. Studies in animals have shown that this new virus mutation has a higher morbidity than the seasonal flu virus. Its transmissibility is slightly higher than seasonal flu, and equivalent to that of previous pandemics. Pathogenicity and virulence are low. The clinical picture is similar to the typical seasonal flu, with spontaneous recovery, although the clinical spectrum is broad, as itgoes from asymptomatic to severe or fatal pneumonia. The affected population is predominantly young, less than 30 years. Less than half of hospitalized patients in the U.S. and fatal cases in Mexico had chronic diseases or concomitant underlying processes. A disturbing fact was described and pulmonary bacterial superinfection, which ranged from 4 to 29% in severe cases resulting in hospitalization or death in the United States, Argentina, Australia and New Zealand. For prevention and infection control through the reduction of susceptibles, is arranged use of a specific monovalent vaccine against the virus.

Keywords : influenza A (H1N1); pandemic; complications; prevention; treatment.

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