A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014

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Balkis Ab Karim A Liza Latip Anita Surani Abd Shukor Norafidah A Rashid Wan Madihah Wan Mohd Fadzilah Kamaludin

Abstract

On 1 Mar 2014, the Terengganu District Health Office was notified of ten patients presented with acute gastroenteritis at Sultanah Nur Zahirah Hospital. Their illness was linked to consumption of foods from two night markets. An outbreak investigation was initiated to determine the source of the outbreak. Case finding was conducted in the hospital, and community. Patients were interviewed about demographics, symptoms and food consumption history. Stool samples from patients and food handlers as well as food and environmental samples were collected for laboratory analysis. Suspected food premises were inspected. A case-control study was conducted. Of 169 cases, 68.6% and 32.5% ate food from night markets A and B respectively while 1.2% ate food from both night markets. Major symptom was diarrhea (98.2%). There was one death from hypovolemic shock. Salmonella typhimurium was isolated from 13 patients and one food handler. All isolates showed genetic similarity by pulsed-field gel electrophoresis. The food handler tested to have the infection served the white fried rice sold in both night markets. Cases were 14 (95% CI = 4.05-46.61) and nine (95% CI = 3.36-24.3) times more likely to have consumed white fried rice from night markets A & B respectively. The source of infection was likely to be white fried rice that was prepared at the same place, contaminated by an infected food handler and sold at both night markets.


Keywords: Food poisoning, Salmonella typhimurium, night market, food handler


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AB KARIM, Balkis et al. A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014. OSIR Journal, [S.l.], v. 10, n. 2, p. 1-7, june 2017. ISSN 2286-8933. Available at: <http://www.osirjournal.net/index.php/osir/article/view/100>. Date accessed: 19 sep. 2017.
Ab Karim, ...., Latip, ...., Abd Shukor, ...., A Rashid, ...., Wan Mohd, ...., & Kamaludin, .... (2017). A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014. OSIR Journal, 10(2), 1-7. Retrieved from http://www.osirjournal.net/index.php/osir/article/view/100
Ab Karim, ...., Latip, ...., Abd Shukor, ...., A Rashid, ...., Wan Mohd, ...., & Kamaludin, .... 2017 Jun 29. A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014. OSIR Journal. [Online] 10:2
%A Ab Karim, Balkis %A Latip, A Liza %A Abd Shukor, Anita Surani %A A Rashid, Norafidah %A Wan Mohd, Wan Madihah %A Kamaludin, Fadzilah %D 2017 %T A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014 %B 2017 %9 %! A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014 %K %X On 1 Mar 2014, the Terengganu District Health Office was notified of ten patients presented with acute gastroenteritis at Sultanah Nur Zahirah Hospital. Their illness was linked to consumption of foods from two night markets. An outbreak investigation was initiated to determine the source of the outbreak. Case finding was conducted in the hospital, and community. Patients were interviewed about demographics, symptoms and food consumption history. Stool samples from patients and food handlers as well as food and environmental samples were collected for laboratory analysis. Suspected food premises were inspected. A case-control study was conducted. Of 169 cases, 68.6% and 32.5% ate food from night markets A and B respectively while 1.2% ate food from both night markets. Major symptom was diarrhea (98.2%). There was one death from hypovolemic shock. Salmonella typhimurium was isolated from 13 patients and one food handler. All isolates showed genetic similarity by pulsed-field gel electrophoresis. The food handler tested to have the infection served the white fried rice sold in both night markets. Cases were 14 (95% CI = 4.05-46.61) and nine (95% CI = 3.36-24.3) times more likely to have consumed white fried rice from night markets A & B respectively. The source of infection was likely to be white fried rice that was prepared at the same place, contaminated by an infected food handler and sold at both night markets. Keywords: Food poisoning, Salmonella typhimurium , night market, food handler %U http://www.osirjournal.net/index.php/osir/article/view?path= %J OSIR Journal %0 Journal Article %& 1 %P 7 %V 10 %N 2 %@ 2286-8933 %8 2017-06-29 %7 2017-06-29
Ab Karim, Balkis, A Liza Latip, Anita Surani Abd Shukor, Norafidah A Rashid, Wan Madihah Wan Mohd, & Fadzilah Kamaludin. "A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014." OSIR Journal [Online], 10.2 (2017): 1-7. Web. 19 Sep. 2017
TY - JOUR AU - Ab Karim, Balkis AU - Latip, A Liza AU - Abd Shukor, Anita Surani AU - A Rashid, Norafidah AU - Wan Mohd, Wan Madihah AU - Kamaludin, Fadzilah PY - 2017 TI - A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014 JF - OSIR Journal; Volume 10 Issue 2 ( 2017 ): Outbreak, Surveillance and Investigation Reports KW - N2 - On 1 Mar 2014, the Terengganu District Health Office was notified of ten patients presented with acute gastroenteritis at Sultanah Nur Zahirah Hospital. Their illness was linked to consumption of foods from two night markets. An outbreak investigation was initiated to determine the source of the outbreak. Case finding was conducted in the hospital, and community. Patients were interviewed about demographics, symptoms and food consumption history. Stool samples from patients and food handlers as well as food and environmental samples were collected for laboratory analysis. Suspected food premises were inspected. A case-control study was conducted. Of 169 cases, 68.6% and 32.5% ate food from night markets A and B respectively while 1.2% ate food from both night markets. Major symptom was diarrhea (98.2%). There was one death from hypovolemic shock. Salmonella typhimurium was isolated from 13 patients and one food handler. All isolates showed genetic similarity by pulsed-field gel electrophoresis. The food handler tested to have the infection served the white fried rice sold in both night markets. Cases were 14 (95% CI = 4.05-46.61) and nine (95% CI = 3.36-24.3) times more likely to have consumed white fried rice from night markets A & B respectively. The source of infection was likely to be white fried rice that was prepared at the same place, contaminated by an infected food handler and sold at both night markets. Keywords: Food poisoning, Salmonella typhimurium , night market, food handler UR - http://www.osirjournal.net/index.php/osir/article/view?path=
TY - JOUR AU - Ab Karim, Balkis AU - Latip, A Liza AU - Abd Shukor, Anita Surani AU - A Rashid, Norafidah AU - Wan Mohd, Wan Madihah AU - Kamaludin, Fadzilah PY - 2017/06/29/ TI - A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014 JF - OSIR Journal; Volume<font color=red> 10</font> Issue<font color=red> 2</font> (<font color=#33ff33>2017</font>): Outbreak, Surveillance and Investigation Reports KW - N2 - On 1 Mar 2014, the Terengganu District Health Office was notified of ten patients presented with acute gastroenteritis at Sultanah Nur Zahirah Hospital. Their illness was linked to consumption of foods from two night markets. An outbreak investigation was initiated to determine the source of the outbreak. Case finding was conducted in the hospital, and community. Patients were interviewed about demographics, symptoms and food consumption history. Stool samples from patients and food handlers as well as food and environmental samples were collected for laboratory analysis. Suspected food premises were inspected. A case-control study was conducted. Of 169 cases, 68.6% and 32.5% ate food from night markets A and B respectively while 1.2% ate food from both night markets. Major symptom was diarrhea (98.2%). There was one death from hypovolemic shock. Salmonella typhimurium was isolated from 13 patients and one food handler. All isolates showed genetic similarity by pulsed-field gel electrophoresis. The food handler tested to have the infection served the white fried rice sold in both night markets. Cases were 14 (95% CI = 4.05-46.61) and nine (95% CI = 3.36-24.3) times more likely to have consumed white fried rice from night markets A & B respectively. The source of infection was likely to be white fried rice that was prepared at the same place, contaminated by an infected food handler and sold at both night markets. Keywords: Food poisoning, Salmonella typhimurium , night market, food handler UR - http://www.osirjournal.net/index.php/osir/article/view?path=
Ab Karim, Balkis, Latip, A Liza, Abd Shukor, Anita Surani, A Rashid, Norafidah, Wan Mohd, Wan Madihah, AND Kamaludin, Fadzilah. "A Large Common Source Outbreak of Salmonella typhimurium Linked to Kuala Terengganu Night Markets, Malaysia, 2014" OSIR Journal [Online], Volume 10 Number 2 (29 June 2017)