{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:57:34Z","timestamp":1790744254054,"version":"4.1.0"},"reference-count":12,"publisher":"Centers for Disease Control and Prevention (CDC)","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Emerg. Infect. Dis."],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.3201\/eid3210.260723","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:20:00Z","timestamp":1790742000000},"page":"1707-1711","source":"Crossref","is-referenced-by-count":0,"title":["Detection of Divergent Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus, S\u00e3o Paulo, Brazil, 2025"],"prefix":"10.3201","volume":"32","author":[{"given":"Jansen","family":"de Araujo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luciano M.","family":"Thomazelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas P.","family":"Fabrizio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gustavo O.","family":"Fenner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erick G.","family":"Dorlass","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana K.A.","family":"Eisen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viviane F.","family":"Botosso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcello S.","family":"Nardi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caroline C.","family":"Aires","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergio M.N.","family":"Teixeira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberta M.","family":"de Azevedo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mayra H.","family":"Frediani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatiana","family":"Ometto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u00e1rio G.L.","family":"Barboza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edmarcia E.","family":"de Souza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carsten","family":"Wrenger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard J.","family":"Webby","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edison L.","family":"Durigon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1822","reference":[{"key":"key-10.3201\/eid3210.260723-202609300019-R1","doi-asserted-by":"publisher","first-page":"693","DOI":"10.3201\/eid1004.030396","article-title":"Recombination resulting in virulence shift in avian influenza outbreak, Chile.","volume":"10","author":"Suarez","year":"2004","journal-title":"Emerg Infect Dis"},{"key":"key-10.3201\/eid3210.260723-202609300019-R2","doi-asserted-by":"publisher","first-page":"109860","DOI":"10.1016\/j.virol.2023.109860","article-title":"H5N1 highly pathogenic avian influenza clade 2.3.4.4b in wild and domestic birds: introductions into the United States and reassortments, December 2021\u2013April 2022.","volume":"587","author":"Youk","year":"2023","journal-title":"Virology"},{"key":"key-10.3201\/eid3210.260723-202609300019-R3","doi-asserted-by":"publisher","first-page":"199415","DOI":"10.1016\/j.virusres.2024.199415","article-title":"Phylodynamics of avian influenza A(H5N1) viruses from outbreaks in Brazil.","volume":"347","author":"Rivetti","year":"2024","journal-title":"Virus Res"},{"key":"key-10.3201\/eid3210.260723-202609300019-R4","doi-asserted-by":"publisher","first-page":"110272","DOI":"10.1016\/j.biocon.2023.110272","article-title":"Highly pathogenic avian influenza (HPAI) strongly impacts wild birds in Peru.","volume":"286","author":"Gamarra-Toledo","year":"2023","journal-title":"Biol Conserv"},{"key":"key-10.3201\/eid3210.260723-202609300019-R5","doi-asserted-by":"publisher","first-page":"110751","DOI":"10.1016\/j.virol.2025.110751","article-title":"Genomic diversity and reassortment of highly pathogenic avian influenza A\/H5N1 virus (clade 2.3.4.4b) in Brazil: evidence of multiple introductions and intra-epidemic reassortment in 2025.","volume":"615","author":"Rivetti","year":"2026","journal-title":"Virology"},{"key":"key-10.3201\/eid3210.260723-202609300019-R6","doi-asserted-by":"publisher","first-page":"e774","DOI":"10.1016\/S1473-3099(24)00438-9","article-title":"The panzootic spread of highly pathogenic avian influenza H5N1 sublineage 2.3.4.4b: a critical appraisal of One Health preparedness and prevention.","volume":"24","author":"Koopmans","year":"2024","journal-title":"Lancet Infect Dis"},{"key":"key-10.3201\/eid3210.260723-202609300019-R7","doi-asserted-by":"publisher","first-page":"e20","DOI":"10.1038\/emi.2013.20","article-title":"Prevalence and characterization of influenza viruses in diverse species in Los Llanos, Colombia.","volume":"2","author":"Karlsson","year":"2013","journal-title":"Emerg Microbes Infect"},{"key":"key-10.3201\/eid3210.260723-202609300019-R8","doi-asserted-by":"publisher","first-page":"14496","DOI":"10.1038\/s41598-026-42819-y","article-title":"First detection of an H5N2 subtype of influenza A virus detected in Charadrius collaris from the Brazilian Pantanal.","volume":"16","author":"Magalh\u00e3es","year":"2026","journal-title":"Sci Rep"},{"key":"key-10.3201\/eid3210.260723-202609300019-R9","doi-asserted-by":"publisher","first-page":"100319","DOI":"10.1016\/j.vas.2023.100319","article-title":"First report and genetic characterization of the highly pathogenic avian influenza A(H5N1) virus in Cabot\u2019s tern (Thalasseus acuflavidus), Brazil.","volume":"22","author":"Reischak","year":"2023","journal-title":"Vet Anim Sci"},{"key":"key-10.3201\/eid3210.260723-202609300019-R10","doi-asserted-by":"publisher","first-page":"taaf050","DOI":"10.1093\/jtm\/taaf050","article-title":"Brazil\u2019s first H5N1 outbreak in commercial poultry: a sentinel event for cross-border preparedness.","volume":"32","author":"Martins-Filho","year":"2025","journal-title":"J Travel Med"},{"key":"key-10.3201\/eid3210.260723-202609300019-R11","doi-asserted-by":"publisher","first-page":"2279","DOI":"10.3201\/eid3112.250783","article-title":"Novel highly pathogenic avian influenza A(H5N1) virus, Argentina, 2025.","volume":"31","author":"Vanstreels","year":"2025","journal-title":"Emerg Infect Dis"},{"key":"key-10.3201\/eid3210.260723-202609300019-R12","unstructured":"Secretaria Municipal do Verde e do Meio Ambiente. Waters of the Sapateiro Stream and Ibirapuera Park [cited 2025 Dec 4]. https:\/\/prefeitura.sp.gov.br\/web\/meio_ambiente\/w\/%C3%A1guas-do-c%C3%B3rrego-do-sapateiro-e-o-parque-ibirapuera-1"}],"container-title":["Emerging Infectious Diseases"],"original-title":[],"deposited":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:20:02Z","timestamp":1790742002000},"score":1,"resource":{"primary":{"URL":"https:\/\/wwwnc.cdc.gov\/eid\/article\/32\/10\/26-0723_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10]]},"references-count":12,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2026,10]]}},"URL":"https:\/\/doi.org\/10.3201\/eid3210.260723","relation":{},"ISSN":["1080-6040","1080-6059"],"issn-type":[{"value":"1080-6040","type":"print"},{"value":"1080-6059","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,10]]}}}