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Avian influenza virus surveillance in migratory birds in Egypt revealed a novel reassortant H6N2 subtype
Anim Hlth Res Inst, Natl Lab Vet Qual Control Poultry Prod, Giza 12618, Egypt.
Anim Hlth Res Inst, Natl Lab Vet Qual Control Poultry Prod, Giza 12618, Egypt.
Anim Hlth Res Inst, Natl Lab Vet Qual Control Poultry Prod, Giza 12618, Egypt.
Anim Hlth Res Inst, Natl Lab Vet Qual Control Poultry Prod, Giza 12618, Egypt.
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2019 (English)In: Avian Research, ISSN 0005-2175, E-ISSN 2053-7166, Vol. 10, no 1, article id 41Article in journal (Refereed) Published
Abstract [en]

Background

Avian influenza viruses (AIVs) have been identified from more than 100 different species of wild birds around the globe. Wild migratory birds can act as potential spreaders for AIVs to domestic birds between different countries. Egypt is situated on important migratory flyways for wild birds between different continents. While much is known about circulation of zoonotic potential H5N1 and H9N2 AIVs in domestic poultry in Egypt, little is known about the pivotal role of migratory birds in the maintenance and transmission of the viruses in Egypt.

Methods

Targeted AIV surveillance has been conducted in 2017 in different wetlands areas in Northern and Eastern Egypt.

Results

AIV of subtype H5 was detected in two bird species. In addition, a novel reassortant strain of the H6N2 subtype was identified which reveals the continuous risk of new influenza virus(es) introduction into Egypt. This novel virus possesses a reassortant pattern originating from different AIV gene pools.

Conclusions

Intervention control strategies should be performed to minimize the possible contact of domestic birds with wild birds to lower the risk of virus transmission at this interface. In addition, constant monitoring of AIVs in migratory birds is essential in the early detection of influenza virus introduction into Egypt.

Place, publisher, year, edition, pages
2019. Vol. 10, no 1, article id 41
Keywords [en]
Avian influenza virus, Egypt, Reassortment, Wild birds
National Category
Microbiology
Identifiers
URN: urn:nbn:se:uu:diva-397686DOI: 10.1186/s40657-019-0180-7ISI: 000494798100001OAI: oai:DiVA.org:uu-397686DiVA, id: diva2:1372344
Funder
Swedish Research Council, 2016-02596Swedish Research Council, 2018-02569Available from: 2019-11-22 Created: 2019-11-22 Last updated: 2019-11-22Bibliographically approved

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