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. 2021 Nov 18;59(12):e01580-21. doi: 10.1128/JCM.01580-21

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Copyright © 2021 Duan et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 7 — Specificity of cELISA using the PRRSV-N-Nb1-HRP fusion protein as the reagent. (A) Cross-reaction of cELISA by detecting the antibodies against other swine viruses, including PPV, PCV2, PRV, TGEV, PEDV, and SIV. (B) Distribution of the PI values by detecting the clinical negative sera for anti-PRRSV antibodies using cELISA. Pig serum samples were tested using the cELISA from the challenged pigs with different strains of PRRSV, including genotype 1 GZ11-G1 strain (C), HuN4 strain (D), SD16 strain (E), and CH-1R strain (F).