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Distribution of Salmonella Serovars in Humans, Foods, Farm Animals and Environment, Companion and Wildlife Animals in Singapore.


ABSTRACT: We analyzed the epidemiological distribution of Salmonella serovars in humans, foods, animals and the environment as a One-Health step towards identifying risk factors for human salmonellosis. Throughout the 2012-2016 period, Salmonella ser. Enteritidis was consistently the predominating serovar attributing to >20.0% of isolates in humans. Other most common serovars in humans include Salmonella ser. Stanley, Salmonella ser. Weltevreden, Salmonella ser. Typhimurium and Salmonella ser. 4,5,12:b:-(dT+). S. Enteritidis was also the most frequent serovar found among the isolates from chicken/chicken products (28.5%) and eggs/egg products (61.5%) during the same period. In contrast, S. Typhimurium (35.2%) and Salmonella ser. Derby (18.8%) were prevalent in pork/pork products. S. Weltevreden was more frequent in seafood (19.2%) than others (?3.0%). Most isolates (>80.0%) from farms, companion and wildlife animals belonged to serovars other than S. Enteritidis or S. Typhimurium. Findings demonstrate the significance of a One-Health investigative approach to understand the epidemiology Salmonella for more effective and integrated surveillance systems.

SUBMITTER: Aung KT 

PROVIDER: S-EPMC7460486 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Distribution of <i>Salmonella</i> Serovars in Humans, Foods, Farm Animals and Environment, Companion and Wildlife Animals in Singapore.

Aung Kyaw Thu KT   Khor Wei Ching WC   Octavia Sophie S   Ye Agnes A   Leo Justina J   Chan Pei Pei PP   Lim Georgina G   Wong Wai Kwan WK   Tan Brian Zi Yan BZY   Schlundt Joergen J   Dalsgaard Anders A   Ng Lee Ching LC   Lin Yueh Nuo YN  

International journal of environmental research and public health 20200810 16


We analyzed the epidemiological distribution of <i>Salmonella</i> serovars in humans, foods, animals and the environment as a One-Health step towards identifying risk factors for human salmonellosis. Throughout the 2012-2016 period, <i>Salmonella</i> ser. Enteritidis was consistently the predominating serovar attributing to >20.0% of isolates in humans. Other most common serovars in humans include <i>Salmonella</i> ser. Stanley, <i>Salmonella</i> ser. Weltevreden, <i>Salmonella</i> ser. Typhimur  ...[more]

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