a novel porcine kobuvirus emerged in piglets with severe diarrhoea in china. | since the first report of porcine kobuvirus (pkv) in 2008, it has been confirmed that pkv is widely present in several countries and plays an important role in diarrhoea outbreak in pigs. studies have shown that the biggest difference among pkvs is the presence or absence of a specific 30-amino acid (aa) sequence in the 2b region of the polyprotein gene. based on this unique feature, most pkv sequences could be divided into two groups (group 1 without deletion and group 2 with deletion), but a f ... | 2017 | 28497552 |