Fig. 6

Histogram of hemagglutination inhibition assay and microneutralization assay. (A) Results of mice serum HI experiments; (B) Results of swine serum HI experiments. (C) Detection of neutralization effect of swine serum against A/swine/Henan/SN13/2018 and A/swine/China/Shandong/2023. Data in A-c are presented as mean values ± SEM. (***p < 0.001, **p < 0.01, *p < 0.05)