Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University

Staphylococcal foodborne illness, caused by the ingestion of contaminated foods by induced Staphylococcus aureus enterotoxins, is one of the most recurrent foodborne diseases worldwide. Food handlers working in food-service establishments who carry enterotoxigenic isolates represent a reservoir for...

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Main Authors: O.O. Akinnola, A.N. Williams, M.I. Oniha, B.O. Ogunleye
Format: Article
Language:English
Published: Journal of Pure and Applied Microbiology 2022-12-01
Series:Journal of Pure and Applied Microbiology
Subjects:
Online Access:https://microbiologyjournal.org/nasal-carriage-of-staphylococcus-aureus-and-associated-risk-factors-among-food-handlers-in-a-nigerian-university/
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author O.O. Akinnola
A.N. Williams
M.I. Oniha
B.O. Ogunleye
author_facet O.O. Akinnola
A.N. Williams
M.I. Oniha
B.O. Ogunleye
author_sort O.O. Akinnola
collection DOAJ
description Staphylococcal foodborne illness, caused by the ingestion of contaminated foods by induced Staphylococcus aureus enterotoxins, is one of the most recurrent foodborne diseases worldwide. Food handlers working in food-service establishments who carry enterotoxigenic isolates represent a reservoir for potential contamination leading to staphylococcal food intoxication. The aim of this research was to investigate the prevalence of nasal transmission of S. aureus among food handlers in a University community. A total of 100 nasal swab specimens were obtained from the food handlers and analyzed by standard laboratory techniques for isolation and identification. Questionnaires were administered to ascertain the risk determinants associated with nasal carriage of S. aureus. Antibiotic susceptibility testing of the isolates was done by disk diffusion method. Thirty-two food handlers were found to be carriers of S. aureus. Majority were females (63%), and 30% had been certified for food safety and handling. There were however no significant association between the nasal distribution of S. aureus together with established risk factors. Among the isolates, 93.75% were found to be resistant to penicillin, 50% to gentamicin and 50% to oxacillin. These findings indicate the need for training of food handlers on food safety, as well as the knowledge of antibiotic resistance.
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spelling doaj.art-5cf34bc5390d4d5f8e07b4d98ae2c36e2023-01-17T12:58:33ZengJournal of Pure and Applied MicrobiologyJournal of Pure and Applied Microbiology0973-75102581-690X2022-12-0116425072513https://doi.org/10.22207/JPAM.16.4.10Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian UniversityO.O. Akinnolahttps://orcid.org/0000-0002-4948-3651A.N. WilliamsM.I. Onihahttps://orcid.org/0000-0001-5757-8370B.O. OgunleyeStaphylococcal foodborne illness, caused by the ingestion of contaminated foods by induced Staphylococcus aureus enterotoxins, is one of the most recurrent foodborne diseases worldwide. Food handlers working in food-service establishments who carry enterotoxigenic isolates represent a reservoir for potential contamination leading to staphylococcal food intoxication. The aim of this research was to investigate the prevalence of nasal transmission of S. aureus among food handlers in a University community. A total of 100 nasal swab specimens were obtained from the food handlers and analyzed by standard laboratory techniques for isolation and identification. Questionnaires were administered to ascertain the risk determinants associated with nasal carriage of S. aureus. Antibiotic susceptibility testing of the isolates was done by disk diffusion method. Thirty-two food handlers were found to be carriers of S. aureus. Majority were females (63%), and 30% had been certified for food safety and handling. There were however no significant association between the nasal distribution of S. aureus together with established risk factors. Among the isolates, 93.75% were found to be resistant to penicillin, 50% to gentamicin and 50% to oxacillin. These findings indicate the need for training of food handlers on food safety, as well as the knowledge of antibiotic resistance.https://microbiologyjournal.org/nasal-carriage-of-staphylococcus-aureus-and-associated-risk-factors-among-food-handlers-in-a-nigerian-university/staphylococcal foodborne illnessprevalencefood handlershand swabsuniversity community
spellingShingle O.O. Akinnola
A.N. Williams
M.I. Oniha
B.O. Ogunleye
Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
Journal of Pure and Applied Microbiology
staphylococcal foodborne illness
prevalence
food handlers
hand swabs
university community
title Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
title_full Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
title_fullStr Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
title_full_unstemmed Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
title_short Nasal Carriage of Staphylococcus aureus and Associated Risk Factors among Food Handlers in a Nigerian University
title_sort nasal carriage of staphylococcus aureus and associated risk factors among food handlers in a nigerian university
topic staphylococcal foodborne illness
prevalence
food handlers
hand swabs
university community
url https://microbiologyjournal.org/nasal-carriage-of-staphylococcus-aureus-and-associated-risk-factors-among-food-handlers-in-a-nigerian-university/
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