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. 2020 Aug 9;8(3):448. doi: 10.3390/vaccines8030448

Figure 5.

Figure 5

Serum antibody titers observed in BALB/c mice immunized with DNA vaccine constructs encoding the antigens. AgH1, mice immunized with DNA-plasmid p-AgH1; AgH3, mice immunized with DNA-plasmid p-AgH3; AgM2, mice immunized with DNA-plasmid p-AgM2; Ag(H1+H3+M2), mice immunized with a mix of DNA-plasmids p-AgH1+p-AgH3+p-AgM2; pcDNA3.1, mice immunized with vector plasmid (negative control); intact, nonimmunized mice (negative control); and H1N1pdm09, mice immunized with A/California/07/2009 (H1N1pdm09) virus strain (positive control).