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REVIEW ARTICLE
Year : 2016  |  Volume : 21  |  Issue : 1  |  Page : 51

The avian influenza H9N2 at avian-human interface: A possible risk for the future pandemics


1 Student of Medicine, Tuberclosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Urmia, Iran
2 Department of English, Urmia University, Urmia, Iran
3 Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4 Department of Microbiology, Faculty of Biological Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
Effat Alizadeh
Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Golghasht Avenue, Tabriz
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-1995.187253

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The avian influenza subtype H9N2 is considered a low pathogenic virus which is endemic in domestic poultry of a majority of Asian countries. Many reports of seropositivity in occupationally poultry-exposed workers and a number of confirmed human infections with an H9N2 subtype of avian influenza have been documented up to now. Recently, the human infections with both H7N9 and H10N8 viruses highlighted that H9N2 has a great potential for taking a part in the emergence of new human-infecting viruses. This review aimed at discussing the great potential of H9N2 virus which is circulating at avian-human interface, for cross-species transmission, contribution in the production of new reassortants and emergence of new pandemic subtypes. An intensified surveillance is needed for controlling the future risks which would be created by H9N2 circulation at avian-human interfaces.


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