Figure 7.

Phylogenetic comparison based on nucleotide sequence of non-structural gene with that of vaccine strains and the strains from different countries. Our strain is marked as ‘●’. The tree was rooted with cognate stretch of strain B/Florida/4/2006 for HA. The tree was created by using neighbor-joining method with 1000 bootstrap replicates.

Mukherjee et al. Virology Journal 2012 9:233   doi:10.1186/1743-422X-9-233
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