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Investigation of a Salmonellosis Outbreak Caused by Multidrug Resistant Salmonella Typhimurium in China

Overview of attention for article published in Frontiers in Microbiology, April 2020
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Title
Investigation of a Salmonellosis Outbreak Caused by Multidrug Resistant Salmonella Typhimurium in China
Published in
Frontiers in Microbiology, April 2020
DOI 10.3389/fmicb.2020.00801
Pubmed ID
Authors

Ying Xiang, Fuxiang Li, Nian Dong, Sai Tian, Haoran Zhang, Xinying Du, Xuan Zhou, Xuebin Xu, Hongxia Yang, Jing Xie, Chaojie Yang, Hongbo Liu, Shaofu Qiu, Hongbin Song, Yansong Sun

Abstract

The rapid emergence of multidrug resistant Salmonella is a global public-health concern as outbreaks in recent years have mostly been caused by multidrug resistant strains. Here, we evaluated an outbreak in China caused by multidrug resistant Salmonella enterica serovar Typhimurium (S. Typhimurium) by employing an epidemiological and laboratory investigation using conventional methods and whole genome sequencing (WGS). Eleven of the 12 people who participated in a banquet showed gastrointestinal symptoms, and 8S. Typhimurium strains were recovered. Isolated outbreak strains showed multidrug resistance (MDR), and decreased susceptibility to ciprofloxacin, a first-line drug recommended by WHO for clinical treatment of intestinal infections. Antimicrobial resistance (AMR) gene analysis indicated that the MDR phenotype of these outbreak strains may be due to the presence of a number of AMR genes, including the blaOXA-1 and blaTEM-1 β-lactamase genes, which are often plasmid-borne and easily transferred. Further virulence gene analysis indicated that these outbreak strains also carried a large number of virulence genes, including 2 types of Salmonella pathogenicity islands (SPI-1 and SPI-2) and many adhesion-related virulence genes. Cluster analysis based on pulse-field gel electrophoresis data and phylogenetic analysis based on WGS revealed that the outbreak clone was closely related to and thus probably derived from local strains. This outbreak caused by multidrug resistant S. Typhimurium highlights the need for government improved strategies for the prevention and control of Salmonella infections.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 102 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 102 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 13 13%
Student > Bachelor 10 10%
Student > Ph. D. Student 9 9%
Student > Doctoral Student 8 8%
Researcher 5 5%
Other 11 11%
Unknown 46 45%
Readers by discipline Count As %
Immunology and Microbiology 12 12%
Biochemistry, Genetics and Molecular Biology 11 11%
Agricultural and Biological Sciences 8 8%
Veterinary Science and Veterinary Medicine 4 4%
Environmental Science 3 3%
Other 11 11%
Unknown 53 52%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 May 2020.
All research outputs
#14,193,902
of 23,204,238 outputs
Outputs from Frontiers in Microbiology
#11,646
of 25,469 outputs
Outputs of similar age
#202,848
of 377,836 outputs
Outputs of similar age from Frontiers in Microbiology
#368
of 812 outputs
Altmetric has tracked 23,204,238 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 25,469 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.4. This one has gotten more attention than average, scoring higher than 50% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 377,836 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 812 others from the same source and published within six weeks on either side of this one. This one is in the 49th percentile – i.e., 49% of its contemporaries scored the same or lower than it.