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Fig. 7 | One Health Advances

Fig. 7

From: The replicase protein nsp2 of Chinese highly pathogenic porcine reproductive and respiratory virus is involved in protective immunity by promoting viral clearance

Fig. 7

The effect of exchange of SP and nsp2 on induction of humoral immunity. A The serum antibody dynamics from infected piglets by an IDEXX HerdChek PRRS X3 ELISA kit. S/P ≥ 0.4 was considered seropositive. B The serum NA titer at 42 DPI titrated in MARC-145 cells. C The serum NA titer at 63 DPI titrated in MARC-145 cells. Error bars represent standard deviation (SD). Asterisks mean the statistical difference between infected groups (*, P < 0.05; **, P < 0.01; ***, P < 0.001)

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