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Mycobacterium avium Subspecies paratuberculosis: Human Exposure through Environmental and Domestic Aerosols

Rhodes, Glenn, Richardson, Hollian, Hermon-Taylor, John, Weightman, Andrew ORCID:, Higham, Andrew and Pickup, Roger 2014. Mycobacterium avium Subspecies paratuberculosis: Human Exposure through Environmental and Domestic Aerosols. Pathogens 3 (3) , pp. 577-595. 10.3390/pathogens3030577

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Mycobacterium avium subspecies paratuberculosis (Map) causes Johne’s disease in animals and is significantly associated with Crohn’s disease (CD) in humans. Our previous studies have shown Map to be present in U.K. rivers due to land deposition from chronic livestock infection and runoff driven by rainfall. The epidemiology of CD in Cardiff showed a significant association with the River Taff, in which Map can be detected on a regular basis. We have previously hypothesized that aerosols from the river might influence the epidemiology of CD. In this preliminary study, we detected Map by quantitative PCR in one of five aerosol samples collected above the River Taff. In addition, we examined domestic showers from different regions in the U.K. and detected Map in three out of 30 independent samples. In detecting Map in river aerosols and those from domestic showers, this is the first study to provide evidence that aerosols are an exposure route for Map to humans and may play a role in the epidemiology of CD.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Uncontrolled Keywords: Mycobacterium avium subspecies paratuberculosis; Crohn’s disease; aerosols; rivers; domestic showers; exposure
Publisher: MDPI Publishing
ISSN: 2076-0817
Date of First Compliant Deposit: 19 April 2017
Date of Acceptance: 11 July 2014
Last Modified: 21 Oct 2022 07:29

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