KMID : 1100720220420020268
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Annals of Laboratory Medicine 2022 Volume.42 No. 2 p.268 ~ p.273
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Serotype Distribution and Antimicrobial Resistance of Salmonella Isolates in Korea between 2016 and 2017
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Kim Si-Hyun
Sung Gyung-Hye Park Eun-Hee Hwang In-Yeong Kim Gyu-Ri Song Sae-Am Lee Hae-Kyung Uh Young Kim Young-Ah Jeong Seok-Hoon Shin Jong-Hee Shin Kyeong-Seob Lee Jae-Hyeon Jeong Joseph Kim Young-Ree Yong Dong-Eun Lee Mi-Ae Kim Yu-Kyung Ryoo Nam-Hee Lee Seung-Ok Kim Ja-Young Kim Sun-Joo Kim Hyun-Soo Shin Jeong-Hwan
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Abstract
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Salmonella is one of the major causes of food-borne infections. We investigated the serotype distribution and antimicrobial resistance of Salmonella isolates collected in Korea between January 2016 and December 2017. In total, 669 Salmonella isolates were collected from clinical specimens at 19 university hospitals. Serotyping was performed according to the Kauffmann?White scheme, and antimicrobial susceptibility was tested using Sensititre EUVSEC plates or disk diffusion. Among the strains, C (39.8%) and B (36.6%) were the most prevalent serogroups. In total, 51 serotypes were identified, and common serotypes were S. enterica serovar I 4,[5],12:i:- (16.7%), S. Enteritidis (16.1%), S. Bareilly (14.6%), S. Typhimurium (9.9%), and S. Infantis (6.9%). The resistance rates to ampicillin, chloramphenicol, and trimethoprim-sulfamethoxazole were 32.6%, 12.1%, and 8.4%, respectively. The resistance rates to cefotaxime and ciprofloxacin were 8.1% and 3.0%, respectively, while 5.4% were multidrug-resistant. S. enterica serovar I 4,[5],12:i:- and S. Enteritidis were highly prevalent, and there was an increase in rare serotypes. Multidrug resistance and ciprofloxacin resistance were highly prevalent. Periodic investigations of Salmonella serotypes and antimicrobial resistance are needed.
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KEYWORD
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Serotyping, Antimicrobial resistance, Salmonella
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