Emergence and Serovar Profiling of Non-typhoidal Salmonellae (NTS) Isolated from Gastroenteritis Cases–A study from South India

Ballal, Mamatha and Devadas, Suganthi Martena and Shetty, Vignesh and Bangera, Sohan Rodney (2016) Emergence and Serovar Profiling of Non-typhoidal Salmonellae (NTS) Isolated from Gastroenteritis Cases–A study from South India. Infectious Diseases. pp. 1-5. ISSN 2374-4243

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Abstract

Human infection with non-typhoidal Salmonella (NTS) serovars is often a neglected and undiagnosed infection in the developing world. Invasive NTS is now being established as having a new and emerging pathogenic role. There is not sufficient data on the prevalence of NTS serovars and their antibiotic susceptibility pattern from India. Faecal specimens collected from patients with acute gastroenteritis were processed to isolate Salmonella according to the standard protocol for a period from January 2011–December 2014. Salmonella isolates were serotyped and tested for antibiotic susceptibility. Of the total 320 (10.04%) bacterial enteric pathogens isolated, 64 (20%) were non-typhoidal Salmonella.Among the serogroup, O:4 (B) (n¼26; 40.6%) was found to be the commonest followed by O:7 (C1) (n¼11; 17.1%) and O:3,10 (E1) (n¼11; 17.1%). NTS infection in cancer patients could also be termed as nosocomial NTS diarrhoea due to primary community infection with prolonged incubation periods, consumption of contaminated food during hospital stay or Nosocomially acquired infection. Serovar Oslo has been predominant (9/17) in NTS isolates from cancer patients, whereas serovars Bovismorbificans, Wangata and Schleissheim have been reported for the first time in the country. The isolates were mostly susceptible to antibiotics except Salmonella ser Kentucky, which showed resistance to ciprofloxacin is reported for the first time in the country. Continuous surveillance is required to monitor resistance of NTS isolates.

Item Type: Article
Uncontrolled Keywords: Food-borne infection; Nontyphoidal Salmonella; Faeces culture; Antigenic profiling; Antibiotic susceptibility testing
Subjects: Medicine > KMC Manipal > Microbiology
Depositing User: KMC Library
Date Deposited: 04 Jul 2016 09:02
Last Modified: 04 Jul 2016 09:02
URI: http://eprints.manipal.edu/id/eprint/146475

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