Volume 13, Number 5—May 2007
Dispatch
Avian Influenza (H5N1) Virus in Waterfowl and Chickens, Central China
Figure 2

Figure 2. Phylogenetic relationship of various avian influenza virus (H5N1) isolates based on the nucleotide sequences of the A) hemagglutinin and B) neuraminidase genes. Boldface indicates strains isolated in this study.