ArticleZoonoses and public health2015
Serological and virological surveillance of avian influenza A virus H9N2 subtype in humans and poultry in Shanghai, China, between 2008 and 2010.
Article in Zoonoses and public health, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.
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
32 citing papers in PubMed, 1 synthesis or guideline pooled it, 50 citations in OpenAlex.
- Pooled it
- Cross-reactive human antibody responses to H9N2 influenza virus, New York, United States, 2025.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026Article
- Viral factors underlying the pandemic potential of influenza viruses.Microbiology and molecular biology reviews : MMBR · 2025Review
- Occupational Risk from Avian Influenza Viruses at Different Ecological Interfaces Between 1997 and 2019.Microorganisms · 2025Review
- Serologic Evidence of Occupational Exposure to Avian Influenza Viruses at the Wildfowl/Poultry/Human Interface.Microorganisms · 2021Article
- Generation of a recombinant chickenized monoclonal antibody against the neuraminidase of H9N2 avian influenza virus.AMB Express · 2020Article
- H9 Influenza Viruses: An Emerging Challenge.Cold Spring Harbor perspectives in medicine · 2020Review
- Avian influenza at animal-human interface: One-health challenge in live poultry retail stalls of Chakwal, Pakistan.Influenza and other respiratory viruses · 2020Article
- Mouse adaptation of the H9N2 avian influenza virus causes the downregulation of genes related to innate immune responses and ubiquitin-mediated proteolysis in mice.Medical microbiology and immunology · 2020Article
- Novel Avian Influenza A Virus Infections of Humans.Infectious disease clinics of North America · 2019Review
- Avian Influenza A Viruses among Occupationally Exposed Populations, China, 2014-2016.Emerging infectious diseases · 2019Article
- Genetic, Molecular, and Pathogenic Characterization of the H9N2 Avian Influenza Viruses Currently Circulating in South China.Viruses · 2019Article
- Ducks induce rapid and robust antibody responses than chickens at early time after intravenous infection with H9N2 avian influenza virus.Virology journal · 2019Article
- Assessment of low pathogenic avian influenza virus transmission via raw poultry meat and raw table eggs.EFSA journal. European Food Safety Authority · 2018Article
- The Multifaceted Zoonotic Risk of H9N2 Avian Influenza.Veterinary sciences · 2018Review
- Review
- Evaluation of antiviral activity of Ocimum sanctum and Acacia arabica leaves extracts against H9N2 virus using embryonated chicken egg model.BMC complementary and alternative medicine · 2018Article
- Risk Factors for Avian Influenza H9 Infection of Chickens in Live Bird Retail Stalls of Lahore District, Pakistan 2009-2010.Scientific reports · 2018Article
- Assessing evidence for avian-to-human transmission of influenza A/H9N2 virus in rural farming communities in northern Vietnam.The Journal of general virology · 2017Article
- M Gene Reassortment in H9N2 Influenza Virus Promotes Early Infection and Replication: Contribution to Rising Virus Prevalence in Chickens in China.Journal of virology · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report the serological evidence of low-pathogenic avian influenza (LPAI) H9N2 infection in an occupational poultry-exposed population and a general population. A serological survey of an occupational poultry-exposed population and a general population was conducted using a haemagglutinin-inhibiting (HI) assay in Shanghai, China, from January 2008 to December 2010. Evidence of higher anti-H9 antibodies was found in serum samples collected from poultry workers. During this period, 239 H9N2 avian influenza viruses (AIVs) were isolated from 9297 tracheal and cloacal paired specimens collected from the poultry in live poultry markets. In addition, a total of 733 influenza viruses were isolated from 1569 nasal and throat swabs collected from patients with influenza-like symptoms in a sentinel hospital, which include H3N2, H1N1, pandemic H1N1 and B, but no H9N2 virus was detected. These findings highlight the need for long-term surveillance of avian influenza viruses in occupational poultry-exposed workers.
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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.