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Clinically relevant...
Clinically relevant antimicrobial resistance at the wildlife-livestock-human interface in Nairobi : an epidemiological study
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- Hassell, James M. (författare)
- Univ Liverpool, Inst Infect & Global Hlth, Neston L7 3EA, England.;Int Livestock Res Inst, Nairobi, Kenya.
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- Ward, Melissa J. (författare)
- Univ Edinburgh, Ctr Immun Infect & Evolut, Edinburgh, Midlothian, Scotland.;Univ Oxford, John Radcliffe Hosp, Nuffield Dept Clin Med, Oxford, England.
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- Muloi, Dishon (författare)
- Int Livestock Res Inst, Nairobi, Kenya.;Univ Edinburgh, Ctr Immun Infect & Evolut, Edinburgh, Midlothian, Scotland.;Univ Edinburgh, Usher Inst Populat Hlth Sci & Informat, Edinburgh, Midlothian, Scotland.
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- Bettridge, Judy M. (författare)
- Univ Liverpool, Inst Infect & Global Hlth, Neston L7 3EA, England.;Int Livestock Res Inst, Nairobi, Kenya.
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- Robinson, Timothy P. (författare)
- Food & Agr Org United Nations, Rome, Italy.
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- Kariuki, Sam (författare)
- Kenya Govt Med Res Ctr, Ctr Microbiol Res, Nairobi, Kenya.
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- Ogendo, Allan (författare)
- Int Livestock Res Inst, Nairobi, Kenya.
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- Kiiru, John (författare)
- Kenya Govt Med Res Ctr, Ctr Microbiol Res, Nairobi, Kenya.
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- Imboma, Titus (författare)
- Natl Museums Kenya, Nairobi, Kenya.
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- Kang'ethe, Erastus K. (författare)
- Univ Nairobi, Nairobi, Kenya.
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- Öghren, Elin M. (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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- Williams, Nicola J. (författare)
- Univ Liverpool, Inst Infect & Global Hlth, Neston L7 3EA, England.
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- Begon, Michael (författare)
- Univ Liverpool, Inst Integrat Biol, Liverpool, Merseyside, England.
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- Woolhouse, Mark E. J. (författare)
- Univ Edinburgh, Ctr Immun Infect & Evolut, Edinburgh, Midlothian, Scotland.;Univ Edinburgh, Usher Inst Populat Hlth Sci & Informat, Edinburgh, Midlothian, Scotland.
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- Fevre, Eric M. (författare)
- Univ Liverpool, Inst Infect & Global Hlth, Neston L7 3EA, England.;Int Livestock Res Inst, Nairobi, Kenya.
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Univ Liverpool, Inst Infect & Global Hlth, Neston L7 3EA, England;Int Livestock Res Inst, Nairobi, Kenya. Univ Edinburgh, Ctr Immun Infect & Evolut, Edinburgh, Midlothian, Scotland.;Univ Oxford, John Radcliffe Hosp, Nuffield Dept Clin Med, Oxford, England. (creator_code:org_t)
- ELSEVIER SCI LTD, 2019
- 2019
- Engelska.
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Ingår i: The Lancet Planetary Health. - : ELSEVIER SCI LTD. - 2542-5196. ; 3:6, s. E259-E269
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Background: Antimicrobial resistance is one of the great challenges facing global health security in the modern era. Wildlife, particularly those that use urban environments, are an important but understudied component of epidemiology of antimicrobial resistance. We investigated antimicrobial resistance overlap between sympatric wildlife, humans, livestock, and their shared environment across the developing city of Nairobi, Kenya. We use these data to examine the role of urban wildlife in the spread of clinically relevant antimicrobial resistance.Methods: 99 households across Nairobi were randomly selected on the basis of socioeconomic stratification. A detailed survey was administered to household occupants, and samples (n=2102) were collected from the faeces of 75 wildlife species inhabiting household compounds (ie, the household and its perimeter; n=849), 13 livestock species (n=656), and humans (n=333), and from the external environment (n=288). Escherichia coli, our sentinel organism, was cultured and a single isolate from each sample tested for sensitivity to 13 antibiotics. Diversity of antimicrobial resistant phenotypes was compared between urban wildlife, humans, livestock, and the environment, to investigate whether wildlife are a net source for antimicrobial resistance in Nairobi. Generalised linear mixed models were used to determine whether the prevalence of antimicrobial resistant phenotypes and multidrug-resistant E coli carriage in urban wildlife is linked to variation in ecological traits, such as foraging behaviour, and to determine household-level risk factors for sharing of antimicrobial resistance between humans, wildlife, and livestock.Findings: E coli were isolated from 485 samples collected from wildlife between Sept 6,2015, and Sept 28, 2016. Wildlife carried a low prevalence of E coli isolates susceptible to all antibiotics tested (45 [9%] of 485 samples) and a high prevalence of clinically relevant multidrug resistance (252 [52%] of 485 samples), which varied between taxa and by foraging traits. Multiple isolates were resistant to one agent from at least seven antimicrobial classes tested for, and a single isolate was resistant to all antibiotics tested for in the study. The phenotypic diversity of antimicrobial-resistant E coli in wildlife was lower than in livestock, humans, and the environment. Within household compounds, statistical models identified two interfaces for exchange of antimicrobial resistance: between both rodents, humans and their rubbish, and seed-eating birds, humans and their rubbish; and between seed-eating birds, cattle, and bovine manure.Interpretation: Urban wildlife carry a high burden of clinically relevant antimicrobial-resistant E coli in Nairobi, exhibiting resistance to drugs considered crucial for human medicine by WHO. Identifiable traits of the wildlife contribute to this exposure; however, compared with humans, livestock, and the environment, low phenotypic diversity in wildlife is consistent with the hypothesis that wildlife are a net sink rather than source of clinically relevant resistance. Wildlife that interact closely with humans, livestock, and both human and livestock waste within households, are exposed to more antimicrobial resistant phenotypes, and could therefore act as conduits for the dissemination of clinically relevant antimicrobial resistance to the wider environment. These results provide novel insight into the broader epidemiology of antimicrobial resistance in complex urban environments, characteristic of lower-middle-income countries.
Ämnesord
- LANTBRUKSVETENSKAPER -- Veterinärmedicin -- Annan veterinärmedicin (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science -- Other Veterinary Science (hsv//eng)
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Hassell, James M ...
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Ward, Melissa J.
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Muloi, Dishon
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Bettridge, Judy ...
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Robinson, Timoth ...
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Kariuki, Sam
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visa fler...
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Ogendo, Allan
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Kiiru, John
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Imboma, Titus
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Kang'ethe, Erast ...
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Öghren, Elin M.
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Williams, Nicola ...
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Begon, Michael
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Woolhouse, Mark ...
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Fevre, Eric M.
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Uppsala universitet