Abstract
Bacteria of the genus Salmonella are widely distributed in nature. They can colonize different hosts and are the most common causes of intestinal infections in humans and animals. The main route of Salmonella transmission to humans is by contaminated food, or undercooked eggs and meat. The aim of this study was to analyze the antimicrobial susceptibility of Salmonella enteritidis, which was the most frequently isolated Salmonella in the Microbiological Laboratory of the Center of Public Health in Shtip. Materials and methods: A total of 1839 samples (12 rectal swabs and 1827 feces), from persons suspect for salmonellosis in the region of Shtip were investigated for the period 2020 to 2022 year. SS (Salmonella Shigella) agar, Rambach agar, and Selenit F media were used for detection of Salmonella spp., and antimicrobial susceptibility testing of the isolated bacteria is performed with disk diffusion method according EUCAST. Results: Salmonella enteritidis is detected in 62 samples (3.37%), isolated strains of Salmonella enteritidis demonstrate high resistance to ampicillin 2 μg (37.09%), and multi-resistant strains (6.45%) were also detected. Conclusion: The appearance of ampicillin and multi-resistant strains of Salmonella enteritidis in the samples analyzed in our study is a sign of concern and an alarm to initiate a change in the algorithm for the treatment of Salmonella enteritidis infections, especially with the use of fluoroquinolones and cephalosporins (of the third generation). It is recommended to introduce a system for the rational use of antimicrobials in human and veterinary health.
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