Case-Control Studies for Outbreak Investigations
Goals . Describe the basic steps of conducting a case-control study; Discuss how to select cases and controls; Discuss how to conduct basic data analysis (odds

http://nccphp.sph.unc.edu/focus/vol3/issue2/3-2Case-Control_slides.ppt

Filesize: 5033 KB | format : .PPT


Cohort Studies for Outbreak Investigations
Cohort Studies for Outbreak Investigations . Cannot calculate risk in a case-control study because includes only a sample of people at risk or may not

http://cphp.sph.unc.edu/focus/vol3/issue1/3-1Cohort_slides.ppt

Filesize: 5047 KB | format : .PPT


Outbreak Investigations: Class 3
Case Control vs Cohort Studies . Cohort: Entire population (or systematic sample) Who: Exposed vs. Unexposed; What: Illness; Calculate: attack rates and ratio of

http://www.idready.org/webcast/fall04_materials/outbreak_investigation/2004-11-09/fall04_outbreakinv_lecture3.ppt

Filesize: 5061 KB | format : .PPT


Outbreak Investigation Methodologica
further investigations warranted . Form Outbreak Control Team? Descriptive epidemiology . Who are the cases? – case-control studies . Testing hypothesis .

http://www.epinorth.org/dav/41CB756E77.ppt

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Fundamentals of Epidemiology and Outbreak Investigations
Study Type: Case Control Studies . When the population in an outbreak is not well defined, a case control study design is used; CT Outbreak Investigations .

http://publichealth.yale.edu/ycphp/epifieldinvest/Lecture/IntrotoEpi_OutbreakInvestigationv2%2520final.ppt

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Selecting a Study Design
Case-Control Studies . The most frequently used type of study in outbreaks. Can be quickly implemented. Use of case-control studies in outbreak investigations.

http://nccphp.sph.unc.edu/focus/vol2/issue4/2-4StudyDesign_slides.ppt

Filesize: 5103 KB | format : .PPT


Listeriosis in the United States
Case-control studies of sporadic infections; Outbreak investigations . Sources of laboratory-confirmed Listeria infections .

http://www.fsis.usda.gov/PPT/Lm_Angulo_062309.ppt

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Using data from illnesses that are not part of outbreaks
Case-control studies . May identify exposures not identified in outbreak investigations; Limitations; Resource intensive; Need to be focused in time,

http://www.fsis.usda.gov/PPT/RBI_Angulo.ppt

Filesize: 5131 KB | format : .PPT


Seeing Things: Epidemiology and Outbreak Investigations
Seeing Things: Epidemiology and Outbreak Investigations David Bergmire-Sweat, MPH. Foodborne Diseases Epidemiologist. North Case-Control Studies .

http://www.ncagr.gov/ncfoodsafetyforum/presentations/David%2520Bergmire-Sweat%2520-%25202009%2520Food%2520Safety%2520Forum.ppt

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Overview of Outbreak Investigations
Provide a general overview of the basic steps of disease outbreak investigations; Case-control study . Case_studies/John Snow .

http://cphp.sph.unc.edu/focus/vol1/issue1/1-1Overview_slides.ppt

Filesize: 5159 KB | format : .PPT


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