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Figure 9 | Veterinary Research

Figure 9

From: Enhanced replication of avian-origin H3N2 canine influenza virus in eggs, cell cultures and mice by a two-amino acid insertion in neuraminidase stalk

Figure 9

Concentrations of IFN-γ (A) and TNF-α (B) in lungs of mice infected with r-06 ( ) and r-06/NA2 ( ) strains. Concentrations of cytokines were determined via ELISA in lung supernatants taken from different days after infection. The results are expressed in terms of pg/g. *P < 0.05 indicates a significant difference for r-06 group compared with r-06/NA2 group. # P < 0.05, ## P < 0.01, or ### P < 0.005 indicates a significant difference between the infected groups and the PBS control group.

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