Volume 21, Number 7—July 2015
Dispatch
Swine Influenza A(H3N2) Virus Infection in Immunocompromised Man, Italy, 2014
Figure 1

Figure 1. Phylogenetic trees of the hemagglutinin (A) and neuraminidase (B) genes of swine influenza viruses (SIVs). The 8 genome segment sequences of the A/Pavia/07/2014 strain (black dot, in bold) were submitted to GenBank under accession nos. KJ623706–KJ623713. Scale bars indicate nucleotide substitutions per site.
1Members of the Influenza Surveillance Study Group who contributed data are listed at the end of this article.