Rapid evolution of A(H5N1) influenza viruses after intercontinental spread to North America.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
29 05 2023
29 05 2023
Historique:
received:
20
10
2022
accepted:
27
04
2023
medline:
31
5
2023
pubmed:
30
5
2023
entrez:
29
5
2023
Statut:
epublish
Résumé
Highly pathogenic avian influenza A(H5N1) viruses of clade 2.3.4.4b underwent an explosive geographic expansion in 2021 among wild birds and domestic poultry across Asia, Europe, and Africa. By the end of 2021, 2.3.4.4b viruses were detected in North America, signifying further intercontinental spread. Here we show that the western movement of clade 2.3.4.4b was quickly followed by reassortment with viruses circulating in wild birds in North America, resulting in the acquisition of different combinations of ribonucleoprotein genes. These reassortant A(H5N1) viruses are genotypically and phenotypically diverse, with many causing severe disease with dramatic neurologic involvement in mammals. The proclivity of the current A(H5N1) 2.3.4.4b virus lineage to reassort and target the central nervous system warrants concerted planning to combat the spread and evolution of the virus within the continent and to mitigate the impact of a potential influenza pandemic that could originate from similar A(H5N1) reassortants.
Identifiants
pubmed: 37248261
doi: 10.1038/s41467-023-38415-7
pii: 10.1038/s41467-023-38415-7
pmc: PMC10227026
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
3082Subventions
Organisme : NIAID NIH HHS
ID : HHSN272201400006C
Pays : United States
Organisme : NIAID NIH HHS
ID : 75N93021C00016
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI150745
Pays : United States
Informations de copyright
© 2023. The Author(s).
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