Volume 29, Number 7—July 2023
Research
Long-Term Epidemiology and Evolution of Swine Influenza Viruses, Vietnam
Figure 2
![Genomic epidemiology of swine influenza viruses in Vietnam. A, B) Maximum-likelihood phylogeny of the H1 (A) and H3 (B) hemagglutinin genes of swine influenza viruses. Branch tips are colored by lineage origin and branches by host. C) Persistence of independent hemagglutinin lineages of swine influenza viruses detected in Vietnam. EA, Eurasian avian; HPD, highest posterior density; tMRCA, time to most recent common ancestor; TR, triple reassortant.](/eid/images/23-0165-F2.jpg)
Figure 2. Genomic epidemiology of swine influenza viruses in Vietnam. A, B) Maximum-likelihood phylogeny of the H1 (A) and H3 (B) hemagglutinin genes of swine influenza viruses. Branch tips are colored by lineage origin and branches by host. C) Persistence of independent hemagglutinin lineages of swine influenza viruses detected in Vietnam. EA, Eurasian avian; HPD, highest posterior density; tMRCA, time to most recent common ancestor; TR, triple reassortant.
1These senior authors contributed equally to this article.
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