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Article

Evolutionary trends of A(H1N1) influenza virus hemagglutinin since 1918.

PloS one - 17 Nov 2009

Shen Jun, Ma Jianpeng, Wang Qinghua

Abstract excerpt

The Pandemic (H1N1) 2009 is spreading to numerous countries and causing many human deaths. Although the symptoms in humans are mild at present, fears are that further mutations in the virus could lead to a potentially more dangerous outbreak in subsequent months. As the primary immunity-eliciting antigen, hemagglutinin (HA) is the major agent for host-driven antigenic drift in A(H3N2) virus. However, whether and...

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Identifiers

PMID: 19924230
DOI: 10.1371/journal.pone.0007789
PMCID: PMC2773012

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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