Complete genome sequence of a highly pathogenic porcine reproductive and respiratory syndrome virus variant isolated from a backyard piglet.

The highly pathogenic porcine reproductive and respiratory syndrome virus (HP-PRRSV) isolates have showed accelerating evolution under the great immune pressure in China in recent years. Here, we report the complete genome sequence of the HP-PRRSV variant GX1001 isolated from a vaccinated backyard piglet.

Phylogenetic and pathogenic analysis of Newcastle disease virus isolated from house sparrow (Passer domesticus) living around poultry farm in southern China.

House sparrow (Passer domesticus) is one of the most widely distributed wild birds in China. Five Newcastle disease virus (NDV) strains were isolated from house sparrows living around the poultry farms in southern China. These isolates were characterized by pathogenic assays and phylogenetic analysis.

[Phylogenetic analysis of human/swine/avian gene reassortant H1N2 influenza A virus isolated from a pig in China].

Objective: Our aim in this study was to determine the genetic characterization and probable origin of the H1N2 swine influenza virus (A/Swine/Guangxi/13/2006) (Sw/GX/13/06) from lung tissue of a pig in Guangxi province, China.

Methods: Eight genes of Sw/GX/13/06 were cloned and genetically analyzed.

Results: The hemagglutinin (HA), nucleoprotein (NP), matrix (M) and non-structural (NS) genes of Sw/GX/13/06 were most closely related to genes from the classical swine H1N1 influenza virus lineage.