Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh

Avian influenza is endemic in Bangladesh, where greater than 90% of poultry are marketed through live poultry markets (LPMs). We conducted a population-based cross-sectional mobile telephone survey in urban Dhaka, Bangladesh to investigate the frequency and patterns of human exposure to live poultry...

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Veröffentlicht in:Scientific reports Jg. 11; H. 1; S. 21880 - 10
Hauptverfasser: Berry, Isha, Rahman, Mahbubur, Flora, Meerjady Sabrina, Greer, Amy L., Morris, Shaun K., Khan, Iqbal Ansary, Sarkar, Sudipta, Naureen, Tanzila, Fisman, David N., Mangtani, Punam
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 08.11.2021
Nature Publishing Group
Nature Portfolio
Schlagworte:
692/308/174
692/499
692/699/255/1578
Adolescent
Adult
Aged
Animals
Avian flu
Bangladesh - epidemiology
Cross-Sectional Studies
Disease transmission
Endemic Diseases - veterinary
Exposure
Female
Humanities and Social Sciences
Humans
Incidence
Influenza
Influenza A Virus, H5N1 Subtype
Influenza in Birds - epidemiology
Influenza in Birds - transmission
Influenza, Human - epidemiology
Influenza, Human - prevention & control
Influenza, Human - transmission
Male
Middle Aged
multidisciplinary
Pandemics
Poultry
Poultry - virology
Science
Science (multidisciplinary)
Surveys and Questionnaires
Urban Population
Urban populations
Young Adult
Bangladesh
ISSN:2045-2322, 2045-2322
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Zusammenfassung:Avian influenza is endemic in Bangladesh, where greater than 90% of poultry are marketed through live poultry markets (LPMs). We conducted a population-based cross-sectional mobile telephone survey in urban Dhaka, Bangladesh to investigate the frequency and patterns of human exposure to live poultry in LPMs and at home. Among 1047 urban residents surveyed, 74.2% (95% CI 70.9–77.2) reported exposure to live poultry in the past year, with the majority of exposure occurring on a weekly basis. While visiting LPMs was less common amongst females (40.3%, 95% CI 35.0–45.8) than males (58.9%, 95% CI 54.0–63.5), females reported greater poultry exposure through food preparation, including defeathering (13.2%, 95% CI 9.5–17.9) and eviscerating (14.8%, 95% CI 11.2–19.4) (p < 0.001). A large proportion of the urban population is frequently exposed to live poultry in a setting where avian influenza viruses are endemic in LPMs. There is thus not only ample opportunity for spillover of avian influenza infections into humans in Dhaka, Bangladesh, but also greater potential for viral reassortment which could generate novel strains with pandemic potential.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-01327-x