Biology — Phylogeny: influenza types
Influenza A subtypes and the B and C lineages.
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((H1N1:2,H3N2:2):3,(Influenza_B:4,Influenza_C:4):1);
Influenza A subtypes and the B and C lineages.
((H1N1:2,H3N2:2):3,(Influenza_B:4,Influenza_C:4):1);