Staphylococcus aureus infection risk in a population of Health Sciences Students at a Public University

Mat Azis, N and Ab Hamid, A and Pung, H.P and Abdul Rafee, P.A and Yahya, F.A and Nordin, S.A and Neela, V and Suhaili, Zarizal and Mohd Desa, M.N (2014) Staphylococcus aureus infection risk in a population of Health Sciences Students at a Public University. Iranian Journal of Public Health, 43 (S3). pp. 112-116. ISSN 2251-6085 (In Press)

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Abstract

Background:This study was undertaken to evaluateStaphylococcusaureuscarriage and persistence in health sciences students at the Faculty of Medicine and Health Sciences, Universiti Putra Malaysia. Methods: Consent form andself-administered questionnaires on socio-demographics, hygienic practices, medical and medication historywere distributed followed by nasal swab collection; sampling was done twice in one month interval in October and November 2013. Bacterial identification followed the standard phenotypic methods. Antibiotic susceptibility of isolates against oxacillin and cefoxitin was tested by disc diffusion method. Methicillin resistance determinant gene (mecA) was detected through polymerase chain reaction-assay. Results:S. aureus was isolated from31.3% (60/192) and 33.3% (60/180) of the student population during the first and second sampling respectively. Among the S. aureus-positive participants, about 65% of them were persistent carrier (S. aureus was detected during both sampling exercises). Six Methicillin-resistant S. aureus (MRSA) were detected (4 and 2 isolates in the two sampling events respectively) as inferred by decreased susceptibility to oxacillin and cefoxitin and presence of mecA gene; 2 of the strains were from a single individual. Fisher’s exact test showed no significant correlation between carriage and the tested risk factors except for the habit of touching nose and chronic illnesses (P < 0.050), with a higher incidence of S.aureus among those associated with the two risk factors. Conclusion:As far as the limited sampling period is concerned, these findings indicate that a proportion of the student population may be at infection risk. Avoiding frequent nose-touching could be one of the preventive measures. Keywords: Staphylococcus aureus, infection risk, nasal carriage, MRSA

Item Type: Article
Keywords: Staphylococcus aureus, infection risk, nasal carriage, MRSA
Subjects: Q Science > QR Microbiology
Faculty / Institute: Faculty of Bioresources & Food Industry
Depositing User: Zarizal Suhaili
Date Deposited: 09 Nov 2014 02:44
Last Modified: 09 Nov 2014 02:44
URI: http://erep.unisza.edu.my/id/eprint/1716

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