Association of biosecurity and hygiene practices with environmental contamination with influenza a viruses in live bird markets, bangladesh

Sukanta Chowdhury, Eduardo Azziz-Baumgartner, James C. Kile, Md A. Hoque, Mohammed Z. Rahman, Md E. Hossain, Probir K. Ghosh, Syed S.U. Ahmed, Erin D. Kennedy, Katharine Sturm-Ramirez, Emily S. Gurley

Research output: Contribution to journalArticlepeer-review

Abstract

In Bangladesh, live bird market environments are frequently contaminated with avian influenza viruses. Shop-level biosecurity practices might increase risk for environmental contamination. We sought to determine which shop-level biosecurity practices were associated with environmental contamination. We surveyed 800 poultry shops to describe biosecurity practices and collect environmental samples. Samples from 205 (26%) shops were positive for influenza A viral RNA, 108 (14%) for H9, and 60 (8%) for H5. Shops that slaughtered poultry, kept poultry overnight, remained open without rest days, had uneven muddy floors, held poultry on the floor, and housed sick and healthy poultry together were more frequently positive for influenza A viruses. Reported monthly cleaning seemed protective, but disinfection practices were not otherwise associated with influenza A virus detection. Slaughtering, keeping poultry overnight, weekly rest days, infrastructure, and disinfection practices could be targets for interventions to reduce environmental contamination.

Original languageEnglish (US)
Pages (from-to)2087-2096
Number of pages10
JournalEmerging infectious diseases
Volume26
Issue number9
DOIs
StatePublished - Sep 2020

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases

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