Recent evidence findings
Synthesizing linked evidence and source literature...
Generating an evidence-grounded brief with GPT-5... AI-assisted synthesis grounded in linked OVE records and source literature. Verify details against the cited evidence.
20 source articles
21 viruses
6 countries
| Publication date | Category / type | Key finding | PMID |
|---|---|---|---|
| 2026-08-07 | Zoonotic Surveillance Virus Isolation | Five H9N2 avian influenza virus isolates were obtained from poultry in Pakistan between January and March 2023. | 42566313 |
| 2026-08 | Genomic Evolution Phylogenetic Evolution | Phylogenetic analysis of poultry-derived H9N2 isolates from Shandong showed a multi-lineage genome composition with PB2 and M from G1-like, PB1/PA/NP/NS from SH/F98-like, and HA/NA from Y280-like lineages, indicating reassortment. | 42184734 |
| 2026-07-30 | Zoonotic Surveillance Virus Isolation | Seven H6N1 avian influenza viruses were isolated from wild bird fecal samples in Mongolia during 2022–2024. | 42533206 |
| 2026-07-30 | Zoonotic Surveillance Virus Isolation | H6N1 viruses were isolated from fecal samples of wild birds and domestic ducks in the Republic of Korea between September 2023 and April 2024. | 42533206 |
| 2026-07-26 | Transmission Evidence Outbreak Investigation | HPAI H5N1 clade 2.3.4.4b is reported as causing a multi-species outbreak affecting wild birds, poultry, multiple mammalian species, and humans. | 42539232 |
| 2026-07-22 | Zoonotic Surveillance Virus Isolation | One H3N8 and ten H3N3 avian influenza viruses were isolated from poultry samples in China. | 42486182 |
| 2026-07-21 | Genomic Evolution Phylogenetic Evolution | Romanian H5N1 isolates cluster within Eurasian H5N1 lineages and are closely related to contemporary strains from Eastern Europe and Russia. | 42515095 |
| 2026-07-17 | Zoonotic Surveillance Viral Detection | Avian influenza viruses were consistently detected from wild birds via annual sampling around Izembek National Wildlife Refuge, Alaska since 2011. | 42469424 |
| 2026-07-17 | Zoonotic Surveillance Reservoir Ecology | Avian influenza viruses were consistently detected in wild birds in southwestern Alaska, with frequent intercontinental viral dispersal observed among this host population. | 42469424 |
| 2026-07-17 | Genomic Evolution Phylogenetic Evolution | Following 2022 introductions of HPAIVs, the proportion of Eurasian-lineage gene segments in avian influenza viruses from wild birds in southwestern Alaska increased. | 42469424 |
| 2026-07-13 | Experimental Infection Host Range Experiment | H9N2 isolate HL55 directly infected BALB/c mice without prior adaptation, with transient upper respiratory tract replication and mild disease. | 42515623 |
| 2026-07-12 | Zoonotic Surveillance Viral Detection | H5N1 infections were reported in wild birds across South America, with detections spanning 104 species in 10 of 11 reporting countries/territories. | 42515616 |
| 2026-07-12 | Transmission Evidence Outbreak Investigation | Over 6 million domestic birds were lost in South America during H5N1 HPAI outbreaks, mostly from commercial operations. | 42515616 |
| 2026-07-11 | Zoonotic Surveillance Virus Isolation | Influenza A virus was successfully isolated 42 times from cloacal swabs of wild birds in the Lake Baikal basin, spanning 12 HA/NA subtype combinations. | 42515613 |
| 2026-07-11 | Genomic Evolution Phylogenetic Evolution | Maximum-likelihood phylogenies of HA and NA place all Lake Baikal influenza A virus isolates in the Eurasian lineage but dispersed across multiple clades, indicating diverse evolutionary origins. | 42515613 |
| 2026-07-11 | Zoonotic Surveillance Reservoir Ecology | Phylogenetic patterns from wild waterfowl in the Lake Baikal basin indicate Buryatia acts as a mixing zone for genetically diverse influenza A virus populations. | 42515613 |
| 2026-07-07 | Genomic Evolution Phylogenetic Evolution | Whole-genome phylogenetics assigned wild-bird H5 AIV isolates from East China to clades 2.3.2.1 and 2.3.4.4 across subtypes H5N1, H5N6, and H5N8. | 42450817 |
| 2026-07-07 | Zoonotic Surveillance Virus Isolation | H5 avian influenza viruses (including H5N1, H5N6, and H5N8) were isolated from wild birds in East China during 2013–2022. | 42450817 |
| 2026-06-30 | Zoonotic Surveillance Viral Detection | Influenza A(H9N2) was detected exclusively in poultry in Ghana with a prevalence of 5.67%. | 42515577 |
| 2026-06-30 | Genomic Evolution Phylogenetic Evolution | Whole-genome phylogenetic analysis placed Ghanaian A(H9N2) strains in clade G1. | 42515577 |
| 2026-06-30 | Zoonotic Surveillance Viral Detection | Live bird markets in Ghana had significantly higher odds of A(H9N2) detection than commercial farms, while backyard farms had lower odds. | 42515577 |
| 2026-06-30 | Zoonotic Surveillance Viral Detection | The Northern belt of Ghana recorded the highest prevalence of A(H9N2) detections in poultry. | 42515577 |
| 2026-06-09 | Experimental Infection Host Range Experiment | Mammalian and avian LRP4 orthologs were experimentally shown to support Eastern equine encephalitis virus entry and infection, indicating conserved susceptibility across these host groups. | 42265108 |
| 2026-06 | Zoonotic Surveillance Reservoir Ecology | Highly pathogenic avian influenza virus (HPAIV) H5N1 clade 2.3.4.4b spilled over from wild birds to dairy cattle in the United States, affecting more than 1000 herds. | 41819722 |
| 2026-06 | Zoonotic Surveillance Reservoir Ecology | Active enzootic circulation of Usutu virus was demonstrated in Northeastern Spain involving wild birds and mosquitoes. | 42004747 |
| 2026-06 | Zoonotic Surveillance Serological Evidence | Sentinel and backyard birds from Girona province showed serological evidence of flavivirus exposure. | 42004747 |
| 2026-06 | Zoonotic Surveillance Viral Detection | West Nile Virus Lineage 1 was detected in two wild bird samples collected in northwestern Italy, including one co-infected with Lineage 2. | 41552429 |
| 2026-06 | Zoonotic Surveillance Viral Detection | West Nile Virus Lineage 2 was detected in wild birds and mosquito pools collected in northwestern Italy between 2022 and 2023. | 41552429 |
| 2026-06 | Zoonotic Surveillance Reservoir Ecology | A quantitative model predicted potential spillover introductions of HPAIV H5N1 from wild birds to cattle in Denmark, with estimated rates below 0.35 cases per week. | 41819722 |
| 2026-05-26 | Functional Mechanism Molecular Adaptation | A human case in British Columbia was infected with a clade 2.3.4.4b H5 virus of avian origin, indicating zoonotic spillover. | 42244705 |
| 2026-05-20 | Zoonotic Surveillance Virus Isolation | Genotype IX Newcastle disease virus was isolated from asymptomatic wild birds as infectious strains utilized in pathogenicity analysis. | 42159397 |
| 2026-05-20 | Genomic Evolution Phylogenetic Evolution | Genotype IX Newcastle disease virus was likely transmitted from poultry to wild birds. | 42159397 |
| 2026-05-15 | Zoonotic Surveillance Reservoir Ecology | Independent introductions of HPAI (H5N1) onto British Columbia poultry farms occurred via spillover from the external environment during the 2022 outbreak. | 42136541 |
| 2026-05-15 | Zoonotic Surveillance Reservoir Ecology | Wild aquatic birds are recognized as reservoir hosts maintaining avian influenza viruses including HPAI (H5N1). | 42136541 |
| 2026-05 | Zoonotic Surveillance Viral Detection | Nine peridomestic birds from affected premises tested positive for the highly pathogenic avian influenza virus (HPAIV) H5N1 subtype. | 41703951 |
Synthesizing linked evidence and source literature...
Generating an evidence-grounded brief with GPT-5... AI-assisted synthesis grounded in linked OVE records and source literature. Verify details against the cited evidence.
7 source articles
6 viruses
1 countries
| Publication date | Category / type | Key finding | PMID |
|---|---|---|---|
| 2026-08-07 | Zoonotic Surveillance Virus Isolation | Five H9N2 avian influenza virus isolates were obtained from poultry in Pakistan between January and March 2023. | 42566313 |
| 2026-08 | Genomic Evolution Phylogenetic Evolution | Phylogenetic analysis of poultry-derived H9N2 isolates from Shandong showed a multi-lineage genome composition with PB2 and M from G1-like, PB1/PA/NP/NS from SH/F98-like, and HA/NA from Y280-like lineages, indicating reassortment. | 42184734 |
| 2026-07-30 | Zoonotic Surveillance Virus Isolation | Seven H6N1 avian influenza viruses were isolated from wild bird fecal samples in Mongolia during 2022–2024. | 42533206 |
| 2026-07-30 | Zoonotic Surveillance Virus Isolation | H6N1 viruses were isolated from fecal samples of wild birds and domestic ducks in the Republic of Korea between September 2023 and April 2024. | 42533206 |
| 2026-07-26 | Transmission Evidence Outbreak Investigation | HPAI H5N1 clade 2.3.4.4b is reported as causing a multi-species outbreak affecting wild birds, poultry, multiple mammalian species, and humans. | 42539232 |
| 2026-07-22 | Zoonotic Surveillance Virus Isolation | One H3N8 and ten H3N3 avian influenza viruses were isolated from poultry samples in China. | 42486182 |
| 2026-07-21 | Genomic Evolution Phylogenetic Evolution | Romanian H5N1 isolates cluster within Eurasian H5N1 lineages and are closely related to contemporary strains from Eastern Europe and Russia. | 42515095 |
| 2026-07-17 | Zoonotic Surveillance Viral Detection | Avian influenza viruses were consistently detected from wild birds via annual sampling around Izembek National Wildlife Refuge, Alaska since 2011. | 42469424 |
| 2026-07-17 | Zoonotic Surveillance Reservoir Ecology | Avian influenza viruses were consistently detected in wild birds in southwestern Alaska, with frequent intercontinental viral dispersal observed among this host population. | 42469424 |
| 2026-07-17 | Genomic Evolution Phylogenetic Evolution | Following 2022 introductions of HPAIVs, the proportion of Eurasian-lineage gene segments in avian influenza viruses from wild birds in southwestern Alaska increased. | 42469424 |
Synthesizing linked evidence and source literature...
Generating an evidence-grounded brief with GPT-5... AI-assisted synthesis grounded in linked OVE records and source literature. Verify details against the cited evidence.
1 source articles
2 viruses
0 countries
| Publication date | Category / type | Key finding | PMID |
|---|---|---|---|
| 2026-08-07 | Zoonotic Surveillance Virus Isolation | Five H9N2 avian influenza virus isolates were obtained from poultry in Pakistan between January and March 2023. | 42566313 |