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| Bacteriological Evaluation of Keypad of Selected Atm Machines in Ilesha, Osun State |
Adekanmi, Abideen Adeyinka, Agbesanya, Oluwadare, Ayoade, Julius Oluwatosin, Orimoloye, Rebecca Olusola, Adekanmi Opeyemi Shafiu
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Abstract:
ATM once contaminated becomes vehicles for the transmission of infection, such that the user may succeed in picking these pathogens after making use of the Automated Teller Machine, since there is no restriction as to who has access to the facility, and no guidelines to ensure hygienic usage. The current study focuses on assessment of bacterial contamination of ATM Keypads in Ilesha, Osun State. Sterile swab sticks were used to collect samples from three different ATM machines in Ilesha, Osun State namely: Bank A ATM located at Guaranty Trust Bank stand; Bank B ATM located at First Bank stand and Bank C ATM located at FCMB stand. Isolation, bacterial counts, biochemical characterization and sugar fermentation were carried out by standard methods. The culture media used were nutrient agar, MacConkey agar and Eosine Methylene Blue Agar (EMB). The total number of 61 bacteria isolates was obtained from three ATM machines. The highest bacteria isolates of 23 (37.70%) was found in first bank B ATM machine, follow by 20(32.79%) number of bacterial isolates recorded in GTB A ATM machine while the least number of bacterial isolates 18(29.51%) was recorded in FCMB ATM machine. Total number of seven bacterial isolates was discovered in three ATM machines examined and they are Psuedomonas sp., Enterobacter sp, Klebsiella sp, Staphylococcus sp, Streptococcus sp, Enterococcus sp, and Escherichia sp. The highest occurrence was found in Staphylococcus sp [18 (29.51%)], this was followed by 10(16.39%) recorded in Pseudomonas sp, 7(11.47%) were found in Enterobacter sp, Enterococcus sp., and Escherichia sp. The least occurrence of 6(9.84%) was observed in Klebsiella sp and Streptococcus sp respectively. The findings from this study revealed that the ATMs used in dishing out cash in selected banks in Ilesha, Osun State were grossly contaminated with different potentially virulent bacteria genera. Thus, it could be concluded that contact with ATMs in the study may result in bacterial cross contamination with associated possible health risks.
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