ArticleInfluenza and other respiratory viruses2023
A cross-sectional study of avian influenza A virus in Myanmar live bird markets: Detection of a newly introduced H9N2?
Article in Influenza and other respiratory viruses, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 4 citations in OpenAlex.
- Avian influenza and coronaviruses in live animal and wet markets in Laos: prevalence and public health considerations.Frontiers in cellular and infection microbiology · 2026Article
- Indoor air quality and airborne transmission under the One Health lens: A scoping review.One health (Amsterdam, Netherlands) · 2025Review
- Developing a method to estimate aerosol generation during poultry slaughtering and defeathering in Bangladesh: An experimental study.Building and environment · 2025Article
- High Prevalence of Highly Pathogenic Avian Influenza: A Virus in Vietnam's Live Bird Markets.Open forum infectious diseases · 2024Article
- A cross-sectional study of avian influenza A virus in Myanmar live bird markets: Detection of a newly introduced H9N2?Influenza and other respiratory viruses · 2023Article
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Authors and funding
12 authors at 7 institutions in 4 countries.
Funding
Abstract
backgroundZoonotic influenza surveillance in Myanmar is sparse, despite the risks of introduction of such viruses from neighboring countries that could impact the poultry industry and lead to spillover to humans.
methodsIn July and August 2019, our multi-institutional partnership conducted a One Health-oriented, cross-sectional surveillance (weekly for 3 weeks) for influenza A and influenza D viruses at the three largest live bird markets in Yangon, Myanmar.
resultsThe 27 bioaerosols, 90 bird cage swabs, 90 bird oropharyngeals, and 90 human nasopharyngeal samples yielded molecular influenza A detections in 8 bioaerosols (30.0%), 16 bird cages (17.8%), 15 bird oropharyngeals (16.7%), and 1 human nasopharyngeal (1.1%) samples. No influenza D was detected. Seven of the influenza A virus detections were found to be subtype A/H9N2, and one human nasopharyngeal sample was found to be subtype A/H1pdm. Among all IAV-positive samples, three of the A/H9N2-positive samples yielded live viruses from egg culture and their whole genome sequences revealing they belonged to the G9/Y280 lineage of A/H9N2 viruses. Phylogenetic analyses showed that these A/H9N2 sequences clustered separately from A/H9N2 viruses that were previously detected in Myanmar, supporting the notion that A/H9N2 viruses similar to those seen in wider Southeast Asia may have been introduced to Myanmar on multiple occasions.
conclusionsThese findings call for increased surveillance efforts in Myanmar to monitor for the introduction of novel influenza viruses in poultry, as well as possible reassortment and zoonotic virus transmission.
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