An Outbreak of Streptococcal Pharyngitis in Louisiana - Library
An Outbreak of Streptococcal Pharyngitis in Louisiana - Library An Outbreak of Streptococcal Pharyngitis in Louisiana - Library
CDC / EIS: Pharyngitis in Louisiana (942-211) - Participant's Guide page 4Persons with streptococcal pharyngitis frequentlyexhibit fever, sore throat, exudative tonsillitis orpharyngitis, and tender anterior cervical lymphnodes. Laboratory findings which support GroupA streptococcal disease include identification ofgroup A streptococcal antigen in pharyngealsecretions (i.e., the rapid strep test) or isolationof organisms from the affected tissues on bloodagar or other appropriate media.Question 5: How would you define a case of group A streptococcal pharyngitis for the investigation?When might you want a relatively loose versus a relatively strict case definition?
CDC / EIS: Pharyngitis in Louisiana (942-211) - Participant's Guide page 5PART IIEpidemiologists from LDHH conducted a surveyof the families of all children in the 5th-8thgrades. Students were given questionnairesand were asked to have their parents completethem with information on all householdmembers.Question 6:What information would you include in the questionnaire?One hundred (82%) of the 122 households ofchildren attending 5th-8th grades returned thequestionnaire. Data from these questionnaireswere entered into an EPI INFO data file namedschool2.names (in italics) used in school2. Personsmeeting the case definition are indicated in thevariable CASE. Appendix 2 provides a briefreview of EPI INFO ANALYSIS commands.To answer Questions 7, 8, 10, and 11, use EPIINFO ANALYSIS to access the xpharyngitis.mdbfile, then access the school2 view. Appendix 1includes a copy of the questionnaire and variable
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CDC / EIS: <strong>Pharyngitis</strong> <strong>in</strong> <strong>Louisiana</strong> (942-211) - Participant's Guide page 4Persons with streptococcal pharyngitis frequentlyexhibit fever, sore throat, exudative tonsillitis orpharyngitis, and tender anterior cervical lymphnodes. Laboratory f<strong>in</strong>d<strong>in</strong>gs which support GroupA streptococcal disease <strong>in</strong>clude identification <strong>of</strong>group A streptococcal antigen <strong>in</strong> pharyngealsecretions (i.e., the rapid strep test) or isolation<strong>of</strong> organisms from the affected tissues on bloodagar or other appropriate media.Question 5: How would you def<strong>in</strong>e a case <strong>of</strong> group A streptococcal pharyngitis for the <strong>in</strong>vestigation?When might you want a relatively loose versus a relatively strict case def<strong>in</strong>ition?
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