A One Health investigation of Salmonella enterica serovar Wangata in north-eastern New South Wales, Australia, 2016-2017

被引：0

作者：

Collins, J. ^{[1
,2
]}

Simpson, K. M. J. ^{[3
,4
]}

Bell, G. ^{[5
,6
]}

Durrheim, D. N. ^{[1
,7
,8
]}

Hill-Cawthorne, G. A. ^{[9
,10
]}

Hope, K. ^{[11
]}

Howard, P. ^{[12
]}

Kohlenberg, T. ^{[5
,6
]}

Lawrence, K. ^{[5
,6
]}

Lilly, K. ^{[1
]}

Porigneauxl, P. ^{[1
]}

Sintchenko, V ^{[9
,13
,14
]}

Wang, Q. ^{[13
]}

Ward, M. P. ^{[3
,4
]}

Wiethoelter, A. ^{[3
,4
,15
]}

Mor, S. M. ^{[3
,4
,9
]}

Flint, J. ^{[1
]}

机构：

[1] Hunter New England Populat Hlth, Wallsend, NSW, Australia

[2] Australian Natl Univ, Natl Ctr Epidemiol & Populat Hlth, Canberra, ACT, Australia

[3] Univ Sydney, Sch Vet Sci, Fac Sci, Sydney, NSW, Australia

[4] Univ Sydney, Camden, NSW, Australia

[5] North Coast Publ Hlth, Lismore, NSW, Australia

[6] North Coast Publ Hlth, Port Macquarie, NSW, Australia

[7] Univ Newcastle, Sch Med & Publ Hlth, Newcastle, NSW, Australia

[8] James Cook Univ, Coll Publ Hlth Med & Vet Sci, Townsville, Qld, Australia

[9] Univ Sydney, Marie Bashir Inst Infect Dis & Biosecur, Sydney, NSW, Australia

[10] Univ Sydney, Sch Publ Hlth, Sydney, NSW, Australia

[11] Hlth Protect New South Wales, Sydney, NSW, Australia

[12] Ctr Infect Dis & Microbiol Lab Serv, NSW Enter Reference Lab, Pathol West, Sydney, NSW, Australia

[13] Westmead Hosp, Ctr Infect Dis & Microbiol Publ Hlth, Sydney, NSW, Australia

[14] Univ Sydney, Sydney Med Sch, Sydney, NSW, Australia

[15] Univ Melbourne, Fac Vet & Agr Sci, Melbourne, Vic, Australia

来源：

EPIDEMIOLOGY AND INFECTION | 2019年 / 147卷

关键词：

One Health; outbreaks; salmonellosis; whole genome sequencing; zoonoses; GENOMIC ANALYSIS; OUTBREAK; TYPHIMURIUM; SURVEILLANCE; INFECTIONS; PREVALENCE; CATS;

D O I：

10.1017/S0950268819000475

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Salmonella enterica serovar Wangata (S. Wangata) is an important cause of endemic salmonellosis in Australia, with human infections occurring from undefined sources. This investigation sought to examine possible environmental and zoonotic sources for human infections with S. Wangata in north-eastern New South Wales (NSW), Australia. The investigation adopted a One Health approach and was comprised of three complimentary components: a case-control study examining human risk factors; environmental and animal sampling; and genomic analysis of human, animal and environmental isolates. Forty-eight human S. Wangata cases were interviewed during a 6-month period from November 2016 to April 2017, together with 55 Salmonella Typhimurium (S. Typhimurium) controls and 130 neighbourhood controls. Indirect contact with bats/flying foxes (S. Typhimurium controls (adjusted odds ratio (aOR) 2.63, 95% confidence interval (CI) 1.06-6.48)) (neighbourhood controls (aOR 8.33, 95% CI 2.58-26.83)), wild frogs (aOR 3.65, 95% CI 1.32-10.07) and wild birds (aOR 6.93, 95% CI 2.29-21.00) were statistically associated with illness in multivariable analyses. S. Wangata was detected in dog faeces, wildlife scats and a compost specimen collected from the outdoor environments of cases' residences. In addition, S. Wangata was detected in the faeces of wild birds and sea turtles in the investigation area. Genomic analysis revealed that S. Wangata isolates were relatively clonal. Our findings suggest that S. Wangata is present in the environment and may have a reservoir in wildlife populations in north-eastern NSW. Further investigation is required to better understand the occurrence of Salmonella in wildlife groups and to identify possible transmission pathways for human infections.

引用

页数：11

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