Incursion of Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus, Brazil, 2023

Authors :: Andreina Carvalho de Araújo
Laura Morais Nascimento Silva
Andrew Yong Cho
Márcio Repenning
Deyvid Amgarten
Ana Paula de Moraes
Fernanda Malta
Michael Miller
Erick G. Dorlass
Soledad Palameta
Daniele Bruna L. Oliveira
Jansen de Araújo
Clarice Weis Arns
Edison L. Durigon
João Renato R. Pinho
Dong-Hun Lee
Helena Lage Ferreira
Source :: Emerging Infectious Diseases, Vol 30, Iss 3, Pp 619-621 (2024)
Publication Year :: 2024
Publisher :: Centers for Disease Control and Prevention, 2024.
Abstract: We report 4 highly pathogenic avian influenza A(H5N1) clade 2.3.4.4.b viruses in samples collected during June 2023 from Royal terns and Cabot’s terns in Brazil. Phylodynamic analysis revealed viral movement from Peru to Brazil, indicating a concerning spread of this clade along the Atlantic Americas migratory bird flyway.

Subjects :: influenza
highly pathogenic avian influenza virus
H5N1
wild bird
phylogenetic analysis
phylodynamic analysis
Medicine
Infectious and parasitic diseases
RC109-216

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