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Figure 7 | Journal of Biomedical Science

Figure 7

From: Characterization of cross protection of Swine-Origin Influenza Virus (S-OIV) H1N1 and reassortant H5N1 influenza vaccine in BALB/c mice given a single-dose vaccination

Figure 7

Neutralization antibody response of immunized-mice post challenge with S-OIV H1N1 or NIBRG-14 H5N1 influenza virus. Neutralization antibodies of mice post vaccinated with S-OIV H1N1 or NIBRG-14 H5N1 vaccines were evaluated using a microneutralization assay. Mice sera (pre-immune as negative; A/California/7/2009 NIBSC 09/152 and antiserum to NIBRG-14 H5N1 HA as positive control) were mixed with viruses (100 TCID50 of NIBRG-121 H1N1 or NIBRG-14 H5N1 virus) at room temperature for 1 hour, and were inoculated into 96-well MDCK cells (1.5 × 104/ml). Experiments were performed following the WHO protocol for the microneutralization assay. (A) H1N1 vaccination, H1N1 neutralization antibody, (B) H5N1 vaccination, H5N1 neutralization antibody, (C) H5N1 vaccination, H1N1 neutralization antibody, (D) H1N1 vaccination, H5N1 neutralization antibody. Error bar is the standard deviation of six serum samples.

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