ReviewProtein & cell2015
H9N2 influenza virus in China: a cause of concern.
Review in Protein & cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 145 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
145 citing papers in PubMed, 257 citations in OpenAlex.
- A neuraminidase-targeting nanobody as a therapeutic candidate against influenza A and B viruses.Journal of virology · 2026Article
- Direct interaction between avian pathogenicMicrobiology spectrum · 2026Article
- Epidemiological and clinical characterization of human infections with H9N2 avian influenza virus in Changsha city, China, 2015-2025.Journal of public health research · 2026Article
- Environmental samples, a sensitive and practical alternative to individual bird sampling in the surveillance of H9N2 vaccinated turkey flocks.The Journal of general virology · 2026Article
- Development and application of a VNAR-based detection nanobody for avian influenza virus H9N2.Frontiers in immunology · 2026Article
- Phylogenetic Analyses and Biological Characterization of H9N2 Avian Influenza Virus Isolated from Chickens in China from 2022 to 2023.Microorganisms · 2025Article
- Epidemiology and evolutionary dynamics of H9N2 avian influenza virus in Bangladesh.Emerging microbes & infections · 2025Article
- Isoleucine at position 137 of haemagglutinin acts as a mammalian adaptation marker of H9N2 avian influenza virus.Emerging microbes & infections · 2025Article
- Evaluation of Rice Traits Containing H9N2 Subtype Avian Influenza HA Protein Before Commercialization.Current issues in molecular biology · 2025Article
- A recombinant Marek's disease vaccine candidate provides complete protection against infectious bursal disease virus and H9 subtype avian influenza virus in chickens.Journal of virology · 2025Article
- TRIM45 restricts influenza virus infection through modulating the chaperone-mediated autophagic degradation of viral PB2 protein.PLoS pathogens · 2025Article
- Naringenin as a phytogenic adjuvant systematically enhances the protective efficacy of H9N2 inactivated vaccine through coordinated innate-adaptive immune priming in chickens.Poultry science · 2025Article
- Bivalent Oral Vaccine Using AttenuatedVaccines · 2025Article
- Isolation, characterization and phylogenetic analyses of avian influenza A (H9N2) viruses isolated from poultry between 2019 and 2023 in Egypt.BMC veterinary research · 2025Article
- Gut microbiota-derived isovaleric acid ameliorates influenza virus infection via gut-lung axis.NPJ biofilms and microbiomes · 2025Article
- Article
- Impact of inactivated vaccine on transmission and evolution of H9N2 avian influenza virus in chickens.NPJ vaccines · 2025Article
- Random forest algorithm reveals novel sites in HA protein that shift receptor binding preference of the H9N2 avian influenza virus.Virologica Sinica · 2025Article
- PB2 627V and HA 217 sites synergistically affect the lethality of H9N2 in mice.Virologica Sinica · 2025Article
- The Generation of a H9N2 Avian Influenza Virus with HA and C3d-P29 Protein Fusions and Vaccine Development Applications.Vaccines · 2025Article
85 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The recent human infection with avian influenza virus revealed that H9N2 influenza virus is the gene donor for H7N9 and H10N8 viruses infecting humans. The crucial role of H9N2 viruses at the animal-human interface might be due to the wide host range, adaptation in both poultry and mammalian, and extensive gene reassortment. As the most prevalent subtype of influenza viruses in chickens in China, H9N2 also causes a great economic loss for the poultry industry, even under the long-term vaccination programs. The history, epidemiology, biological characteristics, and molecular determinants of H9N2 influenza virus are reviewed in this paper. The contribution of H9N2 genes, especially RNP genes, to the infection of humans needs to be investigated in the future.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.