Pre-incubation of IPEC-J2 and Vero-E6 cells with a 16,000-fold dilution of ATP1A1 mAb was followed by infection with PEDV, and a significant reduction in the daughter virus was demonstrated by TCID50 assay (Figure 9E,F) and IFA data (Figure 9G,H). Here, ATP1A1 is linked to infection.