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Presentation on theme: "DR. CHRISTINA RUNDI MINISTRY OF HEALTH, MALAYSIA."— Presentation transcript:


2 General Interim report by the OCT: two to four weeks after the end of the investigations. Final report: comprehensive, protect confidentiality and circulated to appropriate individuals and authorities. The report should include a statement about the effectiveness of the investigation, the control measures taken and recommendations for the future. Summary of report: forwarded to the appropriate authorities at national level for collation, analysis and, when appropriate, reporting to the international level (e.g. WHO).

3 OUTLINE OF OUTBREAK INVESTIGATION REPORT Cover page Abstract Report – Introduction, background, objectives, methods, results, discussion, recommendations References Appendices

4 Cover page Title – keep it short, memorable but has the information on type of problem under investigation, location and date. Indicate if preliminary or final report. Date of report. Name and affiliations of main authors and investigators.

5 ABSTRACT Written after the report has been completed. Should stand alone and contain most relevant data and conclusions. All data mentioned in the abstract must appear in the main section of the report.

6 Introduction Statement of the problem Details and time frame regarding initial source of information. Reasons for investigating event. Type of investigation.

7 Background Generally available information to help the reader interpret epidemiology and data presented in the report (e.g. population size, socioeconomic, ethnicity, etc.). If outbreak occurred in a food premises, description of premises (e.g. restaurant, usual practices and operations, etc.). Description of the problem. Sequence of events leading to the outbreak. Brief statement of the working hypothesis.

8 Objectives Specify targets to be achieved by the investigation. Keep objectives concise and follow a logical, sequential pattern. Include hypothesis (if any) that was tested.

9 Methods Epidemiology:  description of study population  type of study conducted  case definition  procedures for case-ascertainment and selection of controls (if any)  methods of data collection, including questionnaire design, administration and contents  methods of data analysis

10 Methods  Medical laboratory testing:  Methods of specimen collection  Name of lab carrying out tests  laboratory techniques employed and methods of data analysis.

11 Methods Food and food testing  description of inspection process  methods of food and environmental sampling  name of laboratory carrying out tests  laboratory techniques employed and methods of data analysis.

12 Results Present all pertinent results from clinical, laboratory, epidemiology and environmental findings. Same order as in the methods section

13 Results Epidemiology:  number of cases, overall attack rate  clinical details of illness (symptoms, duration, hospitalization, outcome, etc.)  descriptive epidemiology by time (epidemic curve), place and person (age, sex, race, specific characteristics) expressed as rates  risk factor exposures  further data analysis and data presentation depending on specific studies undertaken (e.g. cohort or case–control study).

14 Results Laboratory (microbiology, chemical, toxicological):  number of specimens collected  findings by type of laboratory analysis.

15 Results Food investigation and food testing:  findings of food inspections  results of laboratory tests performed on food and environmental samples.

16 Discussion Most important part of the report and should cover: Summary of major findings Likely accuracy of the results conclusions with justification for those conclusion and rejection of alternative explanations relationship of these results to the literature and other results implications of the findings asessment of control measures Need for future research.

17 Recommendations Initial recommendations Future prevention and control measures.

18 References Select appropriate references, including reviews in major scientific journal Follow a standard style of referencing (e.g. Vancouver style)

19 Appendices Questionnaires and/or other survey forms Appropriate field reports Any other relevant documents, including press releases.


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