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Susceptibility of cDC1, cDC2, and CD14+ DCs to PRRSV1 3267 infection. Cells were infected by PRRSV1 3267 at MOI of 0.1 for 48 h. The infection was determined by flow cytometry staining of PRRSV1 nucleocapsid (N) protein and titrating supernatants in alveolar macrophages (AMs). Mock-infected cells were used as the negative control (mock-infected). Results were obtained with cells from two pigs. The contour plots from one pig are shown as the representative.
