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. 2009 Jul;15(7):1112-5.
doi: 10.3201/eid1507.081256.

Chinese-like strain of porcine epidemic diarrhea virus, Thailand

Suphasawatt Puranaveja  1 , Pariwat Poolperm, Preeda Lertwatcharasarakul, Sawang Kesdaengsakonwut, Alongkot Boonsoongnern, Kitcha Urairong, Pravina Kitikoon, Porjit Choojai, Roongtham Kedkovid, Komkrich Teankum, Roongroje Thanawongnuwech
Affiliations

Chinese-like strain of porcine epidemic diarrhea virus, Thailand

Suphasawatt Puranaveja et al. Emerg Infect Dis. 2009 Jul.

Abstract

Since late 2007, several outbreaks of porcine epidemic diarrhea virus (PEDV) infection have emerged in Thailand. Phylogenetic analysis places all Thai PEDV isolates during the outbreaks in the same clade as the Chinese strain JS-2004-2. This new genotype PEDV is prevailing and currently causing sporadic outbreaks in Thailand.

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Figures

Figure 1
Figure 1
A) A suckling piglet with severe diarrhea and dehydration. B) Severe catarrhal enteritis with congestion (scale bar = 1 cm). C) Intestinal lacteals (arrow) grossly demonstrating normal absorption capacity of the intestinal villi in a normal piglet (scale bar = 0.5 cm). D) Disappearance of intestinal lacteals demonstrating malabsorption syndrome of the intestinal villi in the infected piglet (scale bar = 0.5 cm).
Figure 2
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).
See this image and copyright information in PMC

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