Different evolutionary trends of swine H1N2 influenza viruses in Italy compared to European viruses.

Vet Res · 2013 · PMC4176092 · PMID 24289094

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highly significantno p-value reported

Phylogenetic analysis of Italian H1N2 viruses The NJ tree of the HA gene shows three highly significant clusters that corresponded to previously described clades: 1) EU H1N2 SIVs with a human-like H1, 2) EU H1N1 SIVs with an avian-like H1, and 3) the 2009 H1N1 pandemic viruses (H1N1pdm).

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