Author affiliations: Chulalongkorn University, Bangkok, Thailand (S. Puranaveja, S. Kesdaengsakonwut, P. Kitikoon, P. Choojai, R. Kedkovid, K. Teankum, R. Thanawongnuwech); Kasetsart University, Kamphangsan, Thailand (P. Poolperm, P. Lertwatcharasarakul, A. Boonsoongnern, K. Urairong)
Figure 2. A) Marked shortening and blunting of the intestinal villi (scale bar = 25 µm). B) Intestinal epithelial cells expressing porcine epidemic diarrhea virus antigen (arrowheads) in the cytoplasm (colon), visible as brown staining (scale bar = 25 µm).
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