Article ; Online: Novel Zoonotic Avian Influenza A(H3N8) Virus in Chicken, Hong Kong, China.
2022 Volume 28, Issue 10, Page(s) 2009–2015
Abstract: Zoonotic and pandemic influenza continue to pose threats to global public health. Pandemics arise when novel influenza A viruses, derived in whole or in part from animal or avian influenza viruses, adapt to transmit efficiently in a human population that ...
Abstract | Zoonotic and pandemic influenza continue to pose threats to global public health. Pandemics arise when novel influenza A viruses, derived in whole or in part from animal or avian influenza viruses, adapt to transmit efficiently in a human population that has little population immunity to contain its onward transmission. Viruses of previous pandemic concern, such as influenza A(H7N9), arose from influenza A(H9N2) viruses established in domestic poultry acquiring a hemagglutinin and neuraminidase from influenza A viruses of aquatic waterfowl. We report a novel influenza A(H3N8) virus in chicken that has emerged in a similar manner and that has been recently reported to cause zoonotic disease. Although they are H3 subtype, these avian viruses are antigenically distant from contemporary human influenza A(H3N2) viruses, and there is little cross-reactive immunity in the human population. It is essential to heighten surveillance for these avian A(H3N8) viruses in poultry and in humans. |
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MeSH term(s) | Animals ; Chickens ; China/epidemiology ; Hemagglutinins ; Hong Kong/epidemiology ; Humans ; Influenza A Virus, H3N2 Subtype/genetics ; Influenza A Virus, H3N8 Subtype ; Influenza A Virus, H7N9 Subtype/genetics ; Influenza A Virus, H9N2 Subtype/genetics ; Influenza in Birds ; Influenza, Human/epidemiology ; Neuraminidase/genetics ; Phylogeny ; Poultry |
Chemical Substances | Hemagglutinins ; Neuraminidase (EC 3.2.1.18) |
Language | English |
Publishing date | 2022-08-29 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural |
ZDB-ID | 1380686-5 |
ISSN | 1080-6059 ; 1080-6040 |
ISSN (online) | 1080-6059 |
ISSN | 1080-6040 |
DOI | 10.3201/eid2810.221067 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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