Evolutionary pattern of pandemic influenza (H1N1) 2009 virus in the late phases of the 2009 pandemic.
Author(s) -
Maria Beatrice Valli,
Silvia Meschi,
Marina Selleri,
Paola Zaccaro,
Giuseppe Ippolito,
Maria Rosaria Capobianchi,
Stefano Menzo
Publication year - 2010
Publication title -
plos currents
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.282
H-Index - 49
ISSN - 2157-3999
DOI - 10.1371/currents.rrn1149
Subject(s) - pandemic , clade , virus , globe , influenza pandemic , influenza a virus , h1n1 pandemic , human mortality from h5n1 , virology , covid-19 , pandemic influenza , biology , evolutionary biology , medicine , phylogenetics , gene , genetics , infectious disease (medical specialty) , disease , outbreak , pathology , neuroscience
Influenza A( H1N1)v has spread rapidly in all parts of the globe in 2009 as a true pandemic, although fortunately a clinically mild one. The relevant evolutionary steps for the new virus to adapt to human populations occurred very early during the pandemic, before the end of April. Of the several resulting clades or clusters, clade 7 appeared later and proved more successful, substituting all other early clades before the bulk of the worldwide infections occurred.
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