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Showing 3 results for Outbreak Investigation
A Cholera Outbreak Investigation in Karaj District in 2008
Ha Barati, A Golmohmmadi, I Momeni, G Mpradi,
Volume 6, Issue 3 (12-2010)
Abstract
Background & objectives: However outbreaks of cholera are not very common in central area of Iran, in 2008 district health authority reported a cluster of diarrhea cases. We investigated this cluster to identify the etiological agent, source of transmission and propose control measures.
Methods: We defined a case of diarrhea as occurrence of > or =3 loose/watery stools a day among the residents of Karaj. Fifty four (54) cases were identified in health care centers and 106 healthy individuals as control. We conducted a gender- and age-matched case-control study to identify risk factors.
Results: Vibrio cholerae El Tor O1 Inaba was isolated from all cases rectal swabs. during cholera epidemic outbreak in 2007, 54 cases of stool-culture were vibrio cholera, serotype Inaba positive. Using industrial-ice and fruits and vegetables were significantly associated with the illness (OR 4.4 and 3.3 respectively).
Conclusions: This outbreak was due to a contaminated industrial-ice and contaminated vegetables and fruits and V. cholera 01 Inaba was possibly the causative organism. Therefore more prevention program and observation methods should be considered.
Investigation of A Foodborne Outbreak in Dormitory Students Affiliated to One Medical University in Tehran: A Case– Control Study
S Holakouie Naieni , Sh Holakouie Naieni , K Holakouie Naieni ,
Volume 13, Issue 4 (3-2018)
Abstract
Background and Objectives: Food-borne diseases are serious problems in public health. Since the outbreaks can be prevented, we need to take action in the prevention of such infection. On 28 June, 2014 cases of gastroenteritis occurred in students living in dormitories of a medical university; therefore, this study aimed to investigate the outbreak of gastroenteritis to determine its risk factors.
Methods: This case - control study was performed to evaluate students. A total of 70 patients with gastroenteritis in the outbreak of 16 June 2014 were selected. A total of 70 students without any gastrointestinal complaints in the weeks before the outbreak were also selected as the control group using convenient sampling.
Results: The results of this study provided 4 main themes (challenges of access to the data of the surveillance system, challenges of access to the data of national surveys and ordered projects, challenges of access to the data of electronic health records, and challenges of access to confidential data) and 15 sub-themes.
Conclusion: According to the results, having lunch prepared by the university on 16 June was the likely cause of the outbreak on 17 June in student living in dormitories. Hygiene in cooking and food storage, especially in public places such as schools and universities are important in the prevention of food-borne outbreaks.
Framework and Guideline for Reporting Outbreak Investigation of Food-Borne and Water-Borne Diseases
Elham Rahimi, Ebrahim Ghaderi, Ehsan Mostafavi, Mohammad Hossein Panahi, Manoochehr Karami,
Volume 19, Issue 1 (6-2023)
Abstract
Background and Objectives: The publication of outbreak investigation reports is critical for disseminating lessons learned from outbreaks. While there are existing reporting guidelines for outbreak investigations, there is a gap in specific guidelines for reporting food-borne and water-borne outbreaks. This study aims to introduce a specific framework and reporting guideline for food and waterborne outbreak investigations in Iran.
Methods: The initial draft of the framework for reporting food and waterborne outbreaks was derived from existing general reporting guidelines for outbreak investigations. Additionally, a systematic review of studies reporting outbreaks of waterborne and foodborne diseases from 2010 to 2022 was conducted without language restrictions to extract relevant information. Expert opinions were then sought to finalize and adapt the reporting guideline.
Results: The reporting guideline framework for outbreaks of waterborne and foodborne diseases consists of eight parts: title, abstract (background, methods, results, conclusion), introduction, methods (study characteristics, study type, variables under investigation), results (participant information, statistical results, laboratory results, environmental investigation results), discussion, conclusion, and conflict of interest.
Conclusion: This specific reporting guideline for food and waterborne outbreak investigations can be utilized by outbreak investigation teams, rapid response teams, and researchers to effectively report the results of outbreak investigations in this domain.

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