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H9N2 virus infects DCs. (A) DCs infected with the DyLight 488-H9N2 virus (green) for 1 h were analyzed by FACS. **P < 0.01. (Ba,b) Confocal microscopy was used to observe the invasion of DCs by the DyLight 488-H9N2 virus. (Bc–f) Three-dimensional rendering of the images obtained using the Imaris 7.2 software. DCs were stained with CD11c (red) and DAPI (blue). Bars: 50 μm (Ba); 10 μm (Bb–f).
