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Frontiers of Agricultural Science and Engineering

ISSN 2095-7505

ISSN 2095-977X(Online)

CN 10-1204/S

邮发代号 80-906

Frontiers of Agricultural Science and Engineering  2016, Vol. 3 Issue (1): 11-24   https://doi.org/10.15302/J-FASE-2016092
  本期目录
Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry industry and public health
Jiao HU,Xiufan LIU()
Animal Infectious Disease Laboratory, School of Veterinary Medicine/Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, China
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Abstract

The H9N2 and H5N1 avian influenza viruses (AIVs) have been circulating in poultry in China and become endemic since 1998 and 2004, respectively. Currently, they are prevalent in poultry throughout China. This endemicity makes them actively involved in the emergence of the novel lineages of other subtypes of influenza viruses, such as the well-known viruses of the highly pathogenic avian influenza (HPAI) H5N2 and the 2013 novel H7N7, H7N9 and H10N8 subtypes, thereby threatening both the poultry industry and public health. Here, we will review briefly the prevalence and evolution, pathogenicity, transmission, and disease control of these two subtypes and also discuss the possibility of emergence of potentially virulent and highly transmissible AIVs to humans.

Key wordsavian influenza virus    H9N2    H5N1    novel viruses    public health
收稿日期: 2015-11-05      出版日期: 2016-04-07
Corresponding Author(s): Xiufan LIU   
 引用本文:   
. [J]. Frontiers of Agricultural Science and Engineering, 2016, 3(1): 11-24.
Jiao HU,Xiufan LIU. Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry industry and public health. Front. Agr. Sci. Eng. , 2016, 3(1): 11-24.
 链接本文:  
https://academic.hep.com.cn/fase/CN/10.15302/J-FASE-2016092
https://academic.hep.com.cn/fase/CN/Y2016/V3/I1/11
Fig.1  
Fig.2  
Virus Virulence
Chickens Ducks Mice Other animal species
H5N1 High[56] Low to high[120,123,136,137] Low to high[56,136] Variability of virulence in migratory waterfowl[138]; Lethal to quails[139,140], budgerigars[140], geese[141], cats[8,142], tigers[9,11] and dogs[10]; Nonlethal to guinea-pigs[143], pigs[140,144] and pigeons[121,145]
H5N2 Low to high[63]; High[146,147] Low to high[63] Low to moderate[148]; Moderate[146] Nonlethal to dogs[149]
H5N5 High[62,131] Mild to moderate[131] Moderate[62,131] /
H5N6 High[133,134,150] / Low[151]; Moderate[133] Lethal to cats and swan geese[132]; Lethal to human[152]
H5N8 High[131]; Low[153] Moderate[154]; High[135] Low to moderate[148];Moderate to high[135] Lethal to quails[155]; Nonlethal to ferrets[153,156]
Tab.1  
Fig.3  
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