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KMID : 0881720080230010040
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Journal of Food Hygiene and Safety
2008 Volume.23 No. 1 p.40 ~ p.50
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Prevalence of Food Poisoning Bacteria on Hands in Various Age Groups
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Chung Jae-Keun
Kim Min-Ji
Kee Hye-young
Choi Mi-Hwa
Seo Jin-Jong
Kim Sun-Hee
Park Jong-Tae
Kim Myung-Gweon
Kim Eun-Sun
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Abstract
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Spread of pathogenic micro-organisms through contaminated hands is a well recognized way of transmitting disease such as food poisoning. We investigated the prevalence of aerobic plate counts, coliform bacteria, and food-poisoning bacteria on hands in various age groups. The average number of aerobic plate counts was 3.3 log CFU/hand in kindergarteners, 3.4 log CFU/hand in elementary students, 3.2 log CFU/hand in middle school students, 3.4 log CFU/hand in high school students, and 3.3 log CFU/hand in adults. Two kindergarteners, 6 elementary students, and 2 adults were positive for the coliform bacteria. Among the food poisoning bacteria we tested, S. aureus was isolated from 47 individuals. Eight isolates of B cereus were all from kindergarteners. C. perfringens was isolated from 7 individuals. Among 47 isolates of S. aureus, 25 isolates produced toxins. Seven of eight isolates of B. cereus produced toxins. None of seven C. perfringens isolates produced toxins. All 47 isolates of S. aureus were sensitive to ciprofloxacin, trimethoprim/sulfamethoxazole, clindamyccin, imipenem, rifampin and vancomycin. Four isolates (8.5%) were resistant to cefepime, chloramphenicol, cefotetan, and gentamycin. Five isolates (10.6%) were resistant to oxacillin and 6 isolates were resistant to tetracycline. This study shows that it is needs to be established policy of school lunch and personal sanitation management.
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KEYWORD
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Hand hygiene, Food-borne pathogenic bacteria, Antibiotic susceptibility
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