Leyi Zhang

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Natural and engineered water systems are the main sources of Legionnaires' disease. It is essential from a public health perspective to survey water environments for the existence of Legionella. To analyze the main serogroups, genotypes and pathogenicity of the pathogen, a stratified sampling method was adopted to collect water samples randomly from shower(More)
Porcine reproductive and respiratory syndrome virus (PRRSV) is a severe pathogen that causes enormous economic losses to the swine industry worldwide. Since its first report in the 1980s, PRRSV has undergone extensive variation. In the previous study, we demonstrated that the GDsg strain was a new recombined virus between the low pathogenic field strain(More)
Porcine reproductive and respiratory syndrome (PRRS) has leaded to an enormous loss per year to the swine industry, its etiology porcine reproductive and respiratory syndrome virus (PRRSV) is a highly mutated virus in pigs. To fully understand the genetic characteristics of PRRSV genome in South China, this study collected the lung samples infected with(More)
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