Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh
Abstract 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 liv...
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Nature Portfolio
2021
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oai:doaj.org-article:8bac37ee7b6642d2894ec006a9b619c52021-11-14T12:21:27ZFrequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh10.1038/s41598-021-01327-x2045-2322https://doaj.org/article/8bac37ee7b6642d2894ec006a9b619c52021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01327-xhttps://doaj.org/toc/2045-2322Abstract 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.Isha BerryMahbubur RahmanMeerjady Sabrina FloraAmy L. GreerShaun K. MorrisIqbal Ansary KhanSudipta SarkarTanzila NaureenDavid N. FismanPunam MangtaniNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021) |
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Medicine R Science Q Isha Berry Mahbubur Rahman Meerjady Sabrina Flora Amy L. Greer Shaun K. Morris Iqbal Ansary Khan Sudipta Sarkar Tanzila Naureen David N. Fisman Punam Mangtani Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
description |
Abstract 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. |
format |
article |
author |
Isha Berry Mahbubur Rahman Meerjady Sabrina Flora Amy L. Greer Shaun K. Morris Iqbal Ansary Khan Sudipta Sarkar Tanzila Naureen David N. Fisman Punam Mangtani |
author_facet |
Isha Berry Mahbubur Rahman Meerjady Sabrina Flora Amy L. Greer Shaun K. Morris Iqbal Ansary Khan Sudipta Sarkar Tanzila Naureen David N. Fisman Punam Mangtani |
author_sort |
Isha Berry |
title |
Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
title_short |
Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
title_full |
Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
title_fullStr |
Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
title_full_unstemmed |
Frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban Bangladesh |
title_sort |
frequency and patterns of exposure to live poultry and the potential risk of avian influenza transmission to humans in urban bangladesh |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/8bac37ee7b6642d2894ec006a9b619c5 |
work_keys_str_mv |
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