Hernández M, Barahona G, González N, Palacio P

Language: Spanish
References: 9
Page: 39-46
PDF size: 306.17 Kb.

ABSTRACT

The influenza virus has accompanied humanity since ancient times causing major epidemics and pandemics as the most recent occurred in 2009 (H1N1) that caused 575,000 deaths. It is one of the most contagious diseases by its high mutation capacity (antigenic Drift and Shit) mostly affect the extremes of life (‹ 5 years and › 65 years). The peaks of influenza occur in Mexico from November to May, but on average are more often in January or February. Clinical manifestations vary according to age and comorbidities. The most effective method to prevent infection is annual vaccination. However, given the epidemiological patterns of recent years which have appeared influenza B Yamagata and Victoria, where there is no concordance in previous annual periods up to 50-75% of cases of influenza B reported. Additionally, where the impact of influenza B disease is most evident in children under 6 years is necessary to include a quadrivalent vaccine containing two hemagglutinin A and two hemaglutinas B.

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