Airborne Influenza A Is Detected in the Personal Breathing Zone of Swine Veterinarians

Kate M O'Brien; Matthew W Nonnenmann

doi:10.1371/journal.pone.0149083

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Airborne Influenza A Is Detected in the Personal Breathing Zone of Swine Veterinarians

Journal article

Open access

Peer reviewed

Airborne Influenza A Is Detected in the Personal Breathing Zone of Swine Veterinarians

Kate M O'Brien and Matthew W Nonnenmann

PloS one, Vol.11(2), pp.e0149083-e0149083

2016

DOI: 10.1371/journal.pone.0149083

PMCID: PMC4750959

PMID: 26867129

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Abstract

The 2009 H1N1 pandemic emphasized a need to evaluate zoonotic transmission of influenza A in swine production. Airborne influenza A virus has been detected in swine facilities during an outbreak. However, the personal exposure of veterinarians treating infected swine has not been characterized. Two personal bioaerosol samplers, the NIOSH bioaerosol sampler and the personal high-flow inhalable sampler head (PHISH), were placed in the breathing zone of veterinarians treating swine infected with either H1N1 or H3N2 influenza A. A greater number of viral particles were recovered from the NIOSH bioaerosol sampler (2094 RNA copies/m3) compared to the PHISH sampler (545 RNA copies/m3). In addition, the majority of viral particles were detected by the NIOSH bioaerosol sampler in the >4 μm size fraction. These results suggest that airborne influenza A virus is present in the breathing zone of veterinarians treating swine, and the aerosol route of zoonotic transmission of influenza virus should be further evaluated among agricultural workers.

Environmental Monitoring

Orthomyxoviridae Infections - veterinary

Swine Diseases - virology

Air Microbiology

Humans

Occupational Exposure

RNA, Viral - analysis

Aerosols - analysis

Influenza, Human - transmission

Veterinarians

Nose - virology

Animals

Influenza A Virus, H1N1 Subtype - isolation & purification

Influenza A Virus, H3N2 Subtype - isolation & purification

Mouth - virology

Agriculture

Respiration

Orthomyxoviridae Infections - virology

Real-Time Polymerase Chain Reaction

Swine - virology

Details

Title: Subtitle: Airborne Influenza A Is Detected in the Personal Breathing Zone of Swine Veterinarians
Creators: Kate M O'Brien - Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, Iowa, United States of America
Matthew W Nonnenmann - Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, Iowa, United States of America
Resource Type: Journal article
Publication Details: PloS one, Vol.11(2), pp.e0149083-e0149083
DOI: 10.1371/journal.pone.0149083
PMID: 26867129
PMCID: PMC4750959
NLM abbreviation: PLoS One
ISSN: 1932-6203
eISSN: 1932-6203
Publisher: Public Library of Science; United States
Language: English
Date published: 2016
Academic Unit: Occupational and Environmental Health; Internal Medicine
Record Identifier: 9983997370102771

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