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. 2021 Mar 24;9(4):308. doi: 10.3390/vaccines9040308

Figure 4.

Figure 4

Comparisons of neutralizing titers against heterologous field viruses in pigs. The virus neutralization test (VNT) was carried out using sera from pigs vaccinated with the A/SKR/Yeoncheon/2017 (A-1) experimental vaccine and A/SKR/Yeoncheon/2017(homologous virus), A/VIT/2013, A/SKR/Pocheon/2010, and A22/IRQ/24/64, and VN antibody titers were compared. Error bars indicate SDs from the mean. Statistical analysis was conducted using an unpaired t-test (* p < 0.05, ** p < 0.01, ns: not significant).