Article
[Role of mutations and recombinations in the epidemiology of influenza].
Archives de l'Institut Pasteur de Tunis - 1 Jan 2000
Hannoun C
Abstract excerpt
Influenza virus demonstrates several levels of antigenic variations, drifts and shifts, which help it to escape to herd immunity pressures. Recent examples show the importance of such variations in the succession and continuity of epidemiological manifestations. During the last few years, simultaneous circulation of several subtypes of influenza A was observed while in the past, one subtype was replacing the...
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