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PEDV isolation from intestines and alveolar macrophages. Vero cells were inoculated with small intestine homogenates (A) from PBS-inoculated piglets, or small intestine homogenates (B) or alveolar macrophage homogenates (C) from wild-type PEDV-inoculated piglets. At 24 hpi, infected Vero cells were fixed and stained with mouse polyclonal anti-PEDV. Scale bar = 100 μm.
