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isolation and characterization of an h10n7 avian influenza virus from poultry carcasses smuggled from china into italy.intensified official veterinary controls on warehouses supplying chinese retailers resulted in the seizure of smuggled poultry products. frozen and vacuum-packed frozen raw duck and chicken carcasses, and anatomic parts (legs) of these species, were collected and processed for laboratory investigations aiming at the detection of avian influenza virus. real-time reverse transcription-polymerase chain reaction (rrt-pcr) targeting the m gene, performed on the lung and trachea from duck and chicken ...200616990150
levels of pcdd/fs and dl-pcbs in selected foods and estimated dietary intake for the local residents of luqiao and yuhang in zhejiang, china.polychlorinated dibenzo-p-dioxins/furans (pcdd/fs) and dioxin-like polychlorinated biphenyls (dl-pcbs) were measured by high resolution gas chromatograph/high resolution mass spectrometer (hrgc/hrms) in six food groups from luqiao (lq) where the e-waste has been recycled and from yuhang (yh) where the agriculture dominates in zhejiang province in china. the total who-teq values of pcdd/fs and dl-pcbs in selected foods from lq were significantly much higher than those from yh. the highest level o ...201121788061
[community composition, seasonal dynamics and interspecific correlation of waterbirds in the qiantangjiang river estuary and hangzhou bay].waterbird surveys were conducted regularly in the qiantangjiang river estuary and hangzhou bay from july 2007 to november 2011. a total of 128 species (nine orders and 18 families) were recorded, including 119 migrants which accounted for 93% of the total species; eleven species were listed as national protected species. inter-specific correlation analysis for 13 shorebird populations and nine duck populations recorded over time found that 21 pairs of shorebirds and 23 pairs of ducks were correl ...201122184022
Epidemiological investigation and genome analysis of duck circovirus in Southern China.Duck circovirus (DuCV), a potential immunosuppressive virus, was investigated in Southern China from March 2006 to December 2009 by using a polymerase chain reaction (PCR) based method. In this study, a total of 138 sick or dead duck samples from 18 different farms were examined with an average DuCV infection rate of ~35%. It was found that ducks between the ages of 40~60 days were more susceptible to DuCV. There was no evidence showing that the DuCV virus was capable of vertical transmission. F ...201121979568
isolation and molecular characterization of reassortant h11n3 subtype avian influenza viruses isolated from domestic ducks in zhejiang province in china.in july 2013, six h11n3 subtype avian influenza viruses (aivs) were isolated from domestic ducks in zhejiang province in eastern china. these strains were characterized by whole genome sequencing with subsequent phylogenetic analysis and genetic comparison. phylogenetic analysis of all eight viral genes showed that these strains clustered in the aiv eurasian lineage, and these strains received their genes from h11, h7, and h1 aivs in eastern china. these strains were found to be minimally pathog ...201627142079
genetic and molecular characterization of a novel reassortant h2n8 subtype avian influenza virus isolated from a domestic duck in zhejiang province in china.the circulation of the h2 subtype influenza viruses in domestic animals increases the risk of human exposure to these viruses. an h2n8 avian influenza virus (aiv) was isolated from a domestic duck during aiv surveillance of poultry in live poultry markets (lpms) in zhejiang province, eastern china, in 2013. the phylogenetic trees suggested that this strain is a novel reassortant virus derived from multiple aiv subtypes from aquatic birds and poultry in eastern asia. although this reassortant str ...201627379842
genetic characterization of natural reassortant h4 subtype avian influenza viruses isolated from domestic ducks in zhejiang province in china from 2013 to 2014.the h4 subtype of the influenza virus was first isolated in 1999 from pigs with pneumonia in canada. h4 avian influenza viruses (aivs) are able to cross the species barrier to infect humans. in order to better understand the genetic relationships between h4 aiv strains circulating in eastern china and other aiv strains from asia, a survey of domestic ducks in live poultry markets was undertaken in zhejiang province from 2013 to 2014. in this study, 23 h4n2 (n = 14) and h4n6 (n = 9) strains were ...201526350888
human infections with the emerging avian influenza a h7n9 virus from wet market poultry: clinical analysis and characterisation of viral genome.human infection with avian influenza a h7n9 virus emerged in eastern china in february, 2013, and has been associated with exposure to poultry. we report the clinical and microbiological features of patients infected with influenza a h7n9 virus and compare genomic features of the human virus with those of the virus in market poultry in zhejiang, china.201323623390
molecular characterization and phylogenetic analysis of h3 subtype avian influenza viruses isolated from domestic ducks in zhejiang province in china.in 2013, 15 avian influenza viruses (aivs), h3n2 (n = 7), h3n3 (n = 3), h3n6 (n = 3), and h3n8 (n = 2), were isolated from domestic ducks in zhejiang province in china. these strains were characterized by whole genome sequencing with subsequent phylogenetic analysis and genetic comparison. phylogenetic analysis of all eight viral genes showed that these strains clustered in the aiv eurasian lineage. analysis of the neuraminidase (na) gene indicates that a re-assortment event between h3 and h9n2 ...201424748106
sequence and phylogenetic analysis of h2n7 avian influenza viruses isolated from domestic ducks in zhejiang province, eastern china, 2013.two h2n7 avian influenza viruses (aivs) were isolated from domestic ducks in live poultry markets in zhejiang province, eastern china, 2013. all viruses were characterized by whole-genome sequencing with subsequent phylogenetic analysis and genetic comparison. phylogenetic analysis of all eight viral genes showed that the viruses clustered in the eurasian lineage of aivs and originated from genes reassortment among different viruses co-circulating in domestic ducks in eastern china. the hemagglu ...201424442671
sequence and phylogenetic analysis of h7n3 avian influenza viruses isolated from poultry in china in 2011.four h7n3 avian influenza viruses (aivs) were isolated from domestic ducks in live-poultry markets in zhejiang province, eastern china, in 2011. all viruses were characterized by whole-genome sequencing with subsequent phylogenetic analysis and genetic comparison. phylogenetic analysis of all eight viral genes showed that the viruses clustered in the eurasian lineage of influenza viruses. the hemagglutinin cleavage site of all viruses indicated that the four strains were low-pathogenic avian inf ...201222752840
genetic characterization of subtype h1 avian influenza viruses isolated from live poultry markets in zhejiang province, china, in 2011.nine avian influenza a viruses (aivs), h1n2 (n = 2) and h1n3 (n = 7), were isolated from domestic ducks in live poultry markets in zhejiang province, eastern china, in 2011. all viruses were characterized by whole genome sequencing with subsequent phylogenetic analysis and genetic comparison. phylogenetic analysis of all eight viral genes showed that the viruses clustered in the eurasian lineage of influenza a viruses. the hemagglutinin cleavage site of all viruses displayed features of a monoba ...201222252252
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