#h9n2 — Public Fediverse posts

#Outbreak of #H9N2 avian #influenza viruses in lesser #rhea in #Peru, June-July 2025, https://etidiohnew.blogspot.com/2026/05/outbreak-of-h9n2-avian-influenza.html

... multiple mutations associated with mammalian host adaptation, increased virulence, increased pathogenicity, and increased virus binding to α2-6 receptors (identified).

#Genetic and #biological characterization of #H9N2 avian #influenza viruses isolated from #swine in #China, https://etidiohnew.blogspot.com/2026/05/genetic-and-biological-characterization.html

Avian #Influenza #Report - April 26 – May 2 '26 (Wk 18) (HK CHP, May 5, 2026): 1 new #human #H5N1 case in #Bangladesh; 1 new #H9N2 case in #China, https://etidiohnew.blogspot.com/2026/05/avian-influenza-report-april-26-may-2.html

Prior #immunity to seasonal #influenza #H3N2 virus confers varying levels of cross - #protection against challenge with clade 2.3.4.4b #H5N1, #H7N9, or #H9N2 virus in a #ferret model, https://etidiohnew.blogspot.com/2026/04/prior-immunity-to-seasonal-influenza.html

#Influenza at human-animal interface - Summary & #risk #assessment (23 Jan. - 31 March 2026) (WHO, Apr. 29 '26): #H5N1, #H9N2, #H10N3, #H1N1v, #H3N2v cases reported, https://etidiohnew.blogspot.com/2026/04/influenza-at-human-animal-interface.html

Avian #Influenza #Report - Reporting period: April 12 - 18 '26 (Wk 16) (HK CHP, April 21 '26): 3 new #human cases of #H9N2 virus in #China, https://etidiohnew.blogspot.com/2026/04/avian-influenza-report-reporting-period_21.html

Avian #Influenza #Report - Reporting period: April 5 – 11, '26 (Wk 15) (HK CHP April 14, 2026): 2 new #human #H9N2 influenza cases in #China, https://etidiohnew.blogspot.com/2026/04/avian-influenza-report-reporting-period.html

Avian #Influenza #H9N2 - #Italy (#WHO, D.O.N., April 10 2026), https://etidiohnew.blogspot.com/2026/04/avian-influenza-h9n2-italy-who-don.html

#Serological #Surveillance of Avian #Influenza Virus #H9N2 Subtype in #Occupational Populations Exposed to #Poultry Environment in #China During 2018–2023, https://etidiohnew.blogspot.com/2026/04/serological-surveillance-of-avian.html

https://theconversation.com/first-european-case-of-h9n2-bird-flu-reported-in-italy-what-you-need-to-know-279574. "The first #human case of #H9N2 #influenza #virus (bird flu) has been reported in #Europe. A human #infection was recorded by the #Italian Ministry of Health on March 25, 2026."

First European case of H9N2 bird flu reported in Italy – what you need to know
#BirdFlu #H9N2 #PublicHealth #HealthNews #Influenza #Virology #GlobalHealth #DiseaseOutbreak #HealthAwareness #MedicalNews #ScienceNews #Epidemiology #Prevention #Healthcare
https://the-14.com/first-european-case-of-h9n2-bird-flu-reported-in-italy-what-you-need-to-know/

Avian Influenza Report, Week 13 2026 (#HK SAR CHP, Published on March 31, 2026): One #Human Case of #Infection with #H9N2 #influenza virus in #Italy, https://etidiohnew.blogspot.com/2026/03/avian-influenza-report-week-13-2026-hk.html

Avian #influenza in #Italy: First #human case of #H9N2 confirmed, https://www.diepresse.com/20713007/vogelgrippe-in-italien-erster-h9n2-fall-beim-menschen-nachgewiesen

The infected individual is a man from Africa living in #Lombardy, where he contracted the H9N2 strain of the virus.

Primo caso europeo di influenza aviaria confermato in Italia:
https://it.euronews.com/salute/2026/03/26/italia-primo-caso-umano-europeo-di-influenza-aviaria-h9n2-confermato
#H9N2 #Aviaria

https://www.europesays.com/be-nl/33137/ Eerste H9N2-vogelgriepgeval bij mens in Europa | Pluimveeweb.nl #alarmsituatie #autoriteiten #BE #behandeld #België #Belgium #besmet #besmetting #Europa #Gezondheid #h9n2 #H9n2Vogelgriepgeval #Health #isolatie #italiaanse #lombardije #mens #mensen #Nederland #patiënt #regio #vastgesteld #virus #vogelgriep #vogelgriepvirus

#Italy, First European imported #Human Case of an #H9N2 avian #influenza virus infection discovered in #Lombardy (Press Release, March 25 '26), https://etidiohnew.blogspot.com/2026/03/italy-first-european-imported-human.html

🦠 Primo caso umano di influenza aviaria H9N2 in Europa: identificato in Lombardia.

Caso importato, nessuna trasmissione uomo-uomo, paziente in isolamento a Monza. Ministero della Salute e ISS confermano: nessun allarme.

La ricostruzione su Blogsicilia:
👉 https://www.blogsicilia.it/oltrelostretto/influenza-aviaria-h9n2-primo-caso-europa-lombardia/1241404/

#InfluenzaAviaria #H9N2 #Salute #Italia #OltreLoStretto

Identification of #thermostability-enhancing #mutations in #H9N2 avian #influenza virus hemagglutinin, https://etidiohnew.blogspot.com/2026/03/identification-of-thermostability.html

#China reported two additional #human #infections with #influenza A #H9N2 and one new case of #H10N3 (HK CHP, Feb. 10 '26), https://etidiohnew.blogspot.com/2026/02/china-reported-two-additional-human.html

#China, three additional #human cases of #infection with #H9N2 avian #influenza virus (HK CHP, Dec. 23 '25), https://etidiohnew.blogspot.com/2025/12/china-three-additional-human-cases-of.html

#Outbreak Reports: Epidemiological and Genetic Characterization of Three #H9N2 Viruses Causing #Human #Infections — Changsha City, #Hunan Province, #China, April 2025, https://etidiohnew.blogspot.com/2025/11/outbreak-reports-epidemiological-and.html

#Vogelgrippe: «In cell-based experiments, a version of the #H9N2 virus collected in 2024 infected more human cells than did a historical sample collected in 1999. The modern version also showed improved binding to various receptors on human cells.» 🚨 www.nature.com/articles/d41...

This ‘minor’ bird flu strain h...

Bei #Vogelgrippe denken wir meist an #H5N1.

Vielleicht sollten wir auch an #H9N2 denken. Dieses Virus ist bei Vögeln harmloser als #H5N1, aber Forschys fanden Anzeichen einer Adaptierung an menschliche Zellen, was das Potenzial für eine #Pandemie bedeuten würde. Hinweise für eine Übertragung von Mensch zu Mensch gibt es allerdings noch keine.

https://www.nature.com/articles/d41586-025-03519-1

#Cambodia notified two additional #human cases of infection with #influenza #H5N1, #Bangladesh one case of #H5, #China four cases of #H9N2 (HK CHP, Nov. 21 '25) https://etidiohnew.blogspot.com/2025/10/cambodia-notified-two-additional-human.html),

#China notified two additional #human cases of infection with #influenza A #H9N2 (HK CHP, October, 14 '25), https://etidiohnew.blogspot.com/2025/10/china-notified-two-additional-human.html

#China reported four additional #human pediatric cases of #infection with avian #influenza #H9N2 virus (HK CHP, September 9 '25), https://etidiohnew.blogspot.com/2025/09/china-reported-four-additional-human.html

Characterization of the first detected Avian #Influenza #H9N2 #human case in #Ghana, https://etidiohnew.blogspot.com/2025/09/characterization-of-first-detected.html

#China, two additional #human cases of #infections with #influenza A #H9N2 reported (#HK CHP, July 22 '25), https://etidiohnew.blogspot.com/2025/07/china-two-additional-human-cases-of.html

Isolation, characterization and phylogenetic analyses of avian #influenza A #H9N2 viruses isolated from #poultry between 2019 and 2023 in #Egypt, https://etidiohnew.blogspot.com/2025/07/isolation-characterization-and.html

Development of a broad-spectrum #subunit #vaccine against #H9N2 avian #influenza using HA stem domain scaffold and snoopligase system, https://etidiohnew.blogspot.com/2025/07/development-of-broad-spectrum-subunit.html

#Prevalence and #risk #factor for #H9N2 avian #influenza virus in #poultry retail #shops of #MadhyaPradesh https://pubmed.ncbi.nlm.nih.gov/39071868/?utm_source=Feedly&utm_medium=rss&utm_campaign=None&utm_content=1LGAx__djGAJ9poBzWGqPtjEbBDtz4ipSRRPUplmgHEyyF_Ihj&fc=None&ff=20240729104728&v=2.18.0.post9+e462414

A total of 9.4% and 9.7% prevalence in tissue samples and environmental samples has been reported respectively and out of 20 districts 10 (50%) were found positive for the virus.

#Structural and #functional characterization of avian #influenza #H9N2 virus #neuraminidase with a #combination of five novel #mutations, Arch Biochem Biophys.: https://www.sciencedirect.com/science/article/abs/pii/S0003986124001607?via%3Dihub

We report combination of novel mutations near the NA active site of an H9N2 strain. The mutations altered surface properties leading to increased substrate binding.

Immunogenicity and #protective #efficacy of a multivalent #herpesvirus vectored #vaccine against #H9N2 low pathogenic avian #influenza in chicken https://pubmed.ncbi.nlm.nih.gov/38641498/?utm_source=Feedly&utm_medium=rss&utm_campaign=None&utm_content=1LGAx__djGAJ9poBzWGqPtjEbBDtz4ipSRRPUplmgHEyyF_Ihj&fc=None&ff=20240520032634&v=2.18.0.post9+e462414

Mapping #Genetic #Markers Associated with #Antigenicity and Host #Range in #H9N2 #Influenza A Viruses Infecting #Poultry in #Pakistan https://pubmed.ncbi.nlm.nih.gov/38687107/?utm_source=Feedly&utm_medium=rss&utm_campaign=None&utm_content=1LGAx__djGAJ9poBzWGqPtjEbBDtz4ipSRRPUplmgHEyyF_Ihj&fc=None&ff=20240430181504&v=2.18.0.post9+e462414

The presence of L216 in all H9N2 IAV isolates and T/V180 in four isolates in the receptor-binding site reveals the potential of these viruses to cross the species barrier to infect human or mammals.