Journals / Türk Hijyen ve Deneysel Biyoloji Dergisi / 2018 / Cilt: 75 - Sayı: 4

Food-borne outbreak associated with Staphylococcal enterotoxin and Bacillus cereus in districts schools—Aksaray, Nevsehir and Nigde provinces, 2015

Aksaray, Nevşehir ve Niğde illerindeki ilçe okullarında Stafilokokal enterotoksin ve Bacillus cereus ilişkili gıda kaynaklı salgın, 2015

Pages
399–408
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was found that 406 of them applied with nausea, vomiting, dizziness and chills.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: On 25th May 2015, 872 students of seven districts who had lunch prepared in the same food factory, applied to hospitals.
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Key Findings & Data:It was found that 406 of them applied with nausea, vomiting, dizziness and chills.
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Conclusion & Impact:We recommended the food factory to implement control and prevention measures and good hygiene practices.
🔬Design:Research Article
📍Scope:2015 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: On 25th May 2015, 872 students of seven districts who had lunch prepared in the same food factory, applied to hospitals. It was found that 406 of them applied with nausea, vomiting, dizziness and chills. This investigation was conducted to identify the cause and mode of transmission, and to implement control measures. Methods: It was defined a probable case in this retrospective cohort study as “a person with nausea, vomiting and abdominal pain in schools affected by outbreak onset on 25th May 2015’’. It was conducted face-to-face interviews of 2713 students, 137 teachers and 22 school workers. In order to identify the agent, it was taken water and food samples from schools and food factory, 37 stool samples from patients and food handlers. It was also collected nasal and throat swabs of food-handlers at the food factory. Results: The attack rate among people who ate lunch was 52% (457/872). Number of cases peaked on 25th May 2015 and epidemic curve revealed a singlesource outbreak. The mean incubation period was 3.3±1.5 hours. Main symptoms of cases were abdominal pain (84%), nausea (83%), vomiting (59%), fever (30%) and diarrhea (29%). Probable cases who ate pasta with sauce developed illness 6 times more than non-exposed. Staphylococcus aureus enterotoxin and Bacillus cereus was identified at pasta with sauce samples taken from schools and Staphylococcus aureus enterotoxin was identified at pasta with sauce samples taken from food factory. Staphylococcus aureus wasn’t identified from the nose, throat and stool samples of food-handlers and stool samples of patients. Conclusion: This outbreak was likely due to contaminated pasta with sauce. It wasn’t found the contamination source the result of investigations couldn’t reveal the contamination source. We recommended the food factory to implement control and prevention measures and good hygiene practices.

Özet

Amaç: Aynı yemek firmasında 25 Mayıs 2015’tehazırlanan öğle yemeğinden yeyen 7 ilçeden 872 öğrencihastanelere bavurmuştur. Hastaneye başvuranların406’sında bulantı, kusma, baş dönmesi ve titremeşikayetleri olduğu belirlenmiştir. Bu inceleme, hastalığınkaynağının ve bulaş yolunun tespit edilmesi ve kontrolönlemlerinin alınması amacıyla yapılmıştır.Yöntem: Bu retrospektif kohort çalışmasında olasıvaka tanımı; etkilenen okullarda; 25 Mayıs 2015 tarihinde;“Karın ağrısı ve bulantı ve kusma şikâyetleri olan kişiler”olarak belirlenmiştir. 2.713 öğrenci, 137 öğretmen, 22okul çalışanı ile yüz yüze görüşülmüştür. Etkeni tespitetmek için okullardan ve yemek firmasından su ve gıdaörnekleri, hastalardan ve yemek firması çalışanlarından37 tane gaita numunesi alınmıştır. Aynı zamanda gıdafirması çalışanlarından burun ve boğaz sürüntü örneklerialınmıştır.Bulgular: Öğle yemeği yiyen kişiler arasında atak hızı%52’dir (457/872). Vaka sayısı 25 Mayıs 2015 tarihinde pikyapmıştır ve salgın eğrisi salgının tek kaynaklı bir salgınolduğunu düşündürmektedir. İnkübasyon süresi ortalama3,3±1,5 saattir. Vakalarda başlıca görülen semptomlarkarın ağrısı (%84), bulantı (%83), kusma (%59), ateş(%30) ve ishaldir (%29). Salçalı makarna yiyen olasıvakaların yemeyenlere göre hastalanma riski yaklaşıkaltı kattır (RR: 5,6 %95 GA: 3,2-9,8). Okullardan alınansalçalı makarna örneklerinde Staphylococcus aureusenterotoksini ve Bacillus cereus, yemek firmasındanalınan salçalı makarnada Staphylococcus aureusenterotoksini üremiştir. Gıda işleyicilerinden alınanburun, boğaz ve gaita numunelerinde ve hastalardanalınan gaita numunelerinde Staphylococcus aureustespit edilmemiştir.Sonuç: Bu salgın kontamine salçalı makarnadankaynaklanmaktadır. İncelemede kontaminasyon kaynağıbulunamamıştır. Gıda firmasına kontrol ve önlemetedbirleri ve iyi hijyen uygulamalarının yerine getirilmesiönerilmiştir.

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Cite This Article

ÖZARSLAN, F., TEMEL, F., DUMAN, P., BARLAS, G., ÇOBAN, S. Ç. (2022). Food-borne outbreak associated with Staphylococcal enterotoxin and Bacillus cereus in districts schools—Aksaray, Nevsehir and Nigde provinces, 2015. Türk Hijyen ve Deneysel Biyoloji Dergisi, Cilt: 75 - Sayı: 4, 399–408. https://ajindex.com/articles/624990

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