Baoxu Huang

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BACKGROUND Type A influenza virus is one of important pathogens of various animals, including humans, pigs, horses, marine mammals and birds. Currently, the viral type has been classified into 16 hemagglutinin and 9 neuraminidase subtypes, but the phylogenetic diversity and distribution within the viral type largely remain unclear from the whole view. (More)
The characterization of 61 Streptococcus suis strains isolated from Chinese slaughter pigs was investigated. S. suis serotypes 1, 2, 3, 4, 7, 9, 10, 11, 12, 13, 14, 15, 16, 22, 23, 25, 26, 28, 29, and 1/2 were found in the isolates by serum agglutination. Of all the prevalent serotypes, S. suis serotype 7 is the most predominant circulating in Chinese(More)
Brucellosis is a bacterial disease caused by brucella; mainly spread by direct contact transmission through the brucella carriers, or indirect contact transmission by the environment containing large quantities of bacteria discharged by the infected individuals. At the beginning of 21st century, the epidemic among dairy cows in Zhejiang province, began to(More)
Tree sparrows (Passer montanus) are widely distributed in all seasons in many countries. In this study, a survey and relevant experiments on avian influenza (AI) in tree sparrows were conducted. The results suggested that the receptor for avian influenza viruses (AIVs), SAα2,3Gal, is abundant in the respiratory tract of tree sparrows, and most of the tree(More)
Budgerigar fledgling disease (BFD) and psittacine beak and feather disease (PBFD) are caused by avian polyomavirus (APV) and psittacine beak and feather disease virus (PBFDV), respectively. These diseases frequently infect psittacine birds and result in similar clinical manifestations. In this study, we observed the prevalence of PBFDV infection and a dual(More)
An H5N1 virus was isolated from vaccinated layers during an outbreak of highly pathogenic avian influenza (HPAI) in Ningxia, China, in 2012. Phylogenetic analysis revealed that the virus is a novel variant in clade 7.2, and the outbreak likely resulted from mutations in the viral hemagglutinin (HA) gene.
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