Abstract
Picobirnavirus is named after the small birnavirus which contains two double-stranded RNA segments as a genome. However, their properties are quite different to each other. Although the virus has been detected mainly from the stools of gastroenteritis patients and several mammals and birds, the pathogenicity of the virus has not been established. Characterizations of the virus are hampered due to the lack in the system for multiplication of the virus in cultured cells or experimental animals. Recently, complete nucleotide sequences of two RNA segments of a human picobirnavirus detected in Thailand were determined.
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