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Case study

Suspected Cholera Outbreak in Wardak Province, Afghanistan, 2022: a teaching case study of laboratory role in outbreaks investigation

Suspected Cholera Outbreak in Wardak Province, Afghanistan, 2022: a teaching case study of laboratory role in outbreaks investigation

Shoaib Naeemi1,&, Khwaja Mir Islam Saeed2, Mir Salamuddin Hakim2

 

1Eastern Mediterranean Public Health Network (EMPHNET) Afghanistan Country Office, Kabul City, Afghanistan, 2Afghanistan Field Epidemiology Training Program (AFETP), Eastern Mediterranean Public Health Network (EMPHNET) Afghanistan National Public Health Institute, Ministry of Public Health, Afghanistan

 

 

&Corresponding author
Shoaib Naeemi, Eastern Mediterranean Public Health Network (EMPHNET) Afghanistan Country Office, Kabul City, Afghanistan

 

 

Abstract

This teaching case study highlights the crucial role that laboratories play in the investigation and management of disease outbreaks. Designed specifically for participants in the intermediate tier of the Field Epidemiology Training Program (FETP), the case study aims to deepen the understanding of laboratory contributions to outbreak response efforts. By focusing on a real-life outbreak scenario, it provides practical, hands-on learning experiences that bridge theoretical knowledge with field applications. The case study is grounded in an actual outbreak of Acute Watery Diarrhea (AWD) that affected two villages in the Jalrez District of Wardak province in July 2022. The primary objective of this teaching case study is to educate FETP residents about the significance of laboratories in outbreak investigations. By exploring the AWD outbreak, participants will learn about various aspects of laboratory involvement, including specimen types, collection procedures, and proper management of collected samples.

 

 

How to use this case study    Down

Key learning points:

1. Laboratory's role in outbreak investigations: participants will gain insight into how laboratories play a critical role in confirming outbreaks, identifying pathogens, and guiding control measures. They will understand the importance of accurate and timely laboratory results in informing public health decisions.

2. Specimen types and collection: the case study delves into the different types of specimens used in outbreak investigations, with a focus on AWD. Participants will be challenged to discuss on which specimens are most appropriate for diagnosing specific diseases and the significance of sample timing in obtaining reliable results.

3. Specimen collection procedures: FETP residents will be guided through proper specimen collection techniques, emphasizing the importance of maintaining sample integrity to ensure accurate laboratory analysis. They will learn how to minimize contamination risks and ensure representative sampling.

4. Specimen management: this section highlights the significance of proper specimen management, including storage, transportation, and documentation.

5. Laboratory-field collaboration: the case study underscores the importance of effective communication and collaboration between field epidemiologists and laboratory personnel. Participants will learn how to facilitate seamless information exchange and coordination to ensure efficient outbreak response.

6. Real-life application: by examining the AWD outbreak in two villages of the Jalrez District, participants will gain practical insights into the challenges and complexities of real-world outbreak investigations. This context allows for a comprehensive understanding of the concepts discussed.

7. Public Health Decision-Making: through the lens of the AWD outbreak, FETP residents will explore how laboratory results influence public health decisions, from implementing control measures to resource allocation.

Time allotted: 1-2 Hours

Language: English

Groups: 3-5 residents per group

Materials required: pen, pencil, flip chart, calculator, marker, highlighter pen, and personal computer (if available)

 

 

Case study material Up    Down

  • Download the case study student guide;
  • Request the case study facilitator guide.

 

 

Competing interests Up    Down

The authors declare no competing interests.

 

 

Acknowledgments Up    Down

Afghanistan Field Epidemiology Training Program (AFETP) extend their gratitude to National Diseases Surveillance and Response (NDSR) department of Wardak Provincial Public Health Directorate, Central Public Health Laboratories of Afghanistan under the roof of Monitoring, Evaluation and Health Information System (M&EHIS) General Directorate of Ministry of Public Health for providing data and information of this teaching case study.

 

 

References Up    Down

  1. Global Task Force for Cholera Control (GTFCC). GTFCC Cholera Outbreak Response Field Manual. 2019;1-2.

  2. WHO. Diarrhoeal disease. World Health Organization. Cited 2023 Aug 26.

  3. Fanous M, King KC. Cholera. [Updated 2023 May 23]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-3. PMID: 29262189. PubMed

  4. Deen J, Mengel MA, Clemens JD. Epidemiology of cholera. Vaccine. 2020 Feb 29;38 Suppl 1:A31-A40. PubMed | Google Scholar

  5. World Health Organization (WHO). Infectious Disease Outbreaks in Afghanistan: Weekly Report, Week 01, 2023. Cited 2023 Aug 26.