Volume 101, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



serovar Infantis is causing an increasing number of infections worldwide. Our aim was to describe the characteristics of serovar Infantis among patients attended in a hospital of Lima, Peru. Fifty cases of salmonellosis were seen during October 2015–May 2017; Infantis was detected in 36% ( = 18) of them, displacing Enteritidis and Typhimurium ( = 13, 26%, each). Seventeen cases caused by Infantis were presented as diarrheal illnesses; only one extraintestinal case (bacteremia) was seen in a 1-year-old infant. This serovar is resistant to multiple groups of antimicrobials, showing only fully susceptibility to carbapenems. Compared with Infantis, other serovars analyzed (mainly Enteritidis and Typhimurium) showed a lower frequency of resistance to antimicrobials such as trimethoprim–sulfamethoxazole, ampicillin, and chloramphenicol. The antibiotic with the highest frequency of resistance was ciprofloxacin. Further studies are needed to evaluate the routes of transmission and measures of control of this multidrug-resistant


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  • Received : 16 Mar 2019
  • Accepted : 09 Jun 2019
  • Published online : 05 Aug 2019

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