An Outbreak of Streptococcal Pharyngitis in Louisiana - Library

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CDC / EIS: Pharyngitis in Louisiana (942-211) - Participant's Guide page 2PART IOn May 16, 1991, a teacher at a privateelementary school in Louisiana called theEpidemiology Section of the LouisianaDepartment of Public Health and Hospitals(LDHH) to report that a number of students andmembers of their families had become ill withsore throat and/or cervical lymph node swelling(“swollen glands”). A few had been seen by theirprivate physicians and had been diagnosed ashaving streptococcal pharyngitis, or “strepthroat.”Question 1:What questions might you ask during the telephone conversation with the teacher?While the LDHH epidemiologist was on thetelephone with the teacher, she reached for hercopy of Control of Communicable DiseasesManual to review the basic clinical andepidemiologic aspects of streptococcalpharyngitis.Question 2:List at least two on-line sources of information about the basic clinical and epidemiologicaspects of streptococcal pharyngitis. Does your assigned state have a fact sheet?
CDC / EIS: Pharyngitis in Louisiana (942-211) - Participant's Guide page 3The private school had an enrollment of 355children in kindergarten through 8th grade. OnMay 11, 1991, the school held a banquet at alocal country club to honor students in the 5ththrough 8th grades who had participated in thesports program. Approximately 200 persons,including students, teachers, and familymembers, attended the banquet.By May 16, twenty students and four familymembers, who had attended the banquet wereknown to have become ill. All ill personsreported having sore throat. Eighteen reportedhaving cervical lymphadenopathy (“swollenglands”) and 16 reported having fever. Four ofthese persons had a positive throat culture orrapid antigen detection test for group Astreptococci.Based on school absentee records, about 1-2students normally miss school each week due tostreptococcal pharyngitis or similar illnesses.The number tends to increase in late winter andearly spring.Question 3:Do you think these cases represent an outbreak? Why?LDHH decided to conduct an investigation. Two epidemiologists were dispatched to the school to initiatethe investigation.Question 4:List the steps of an outbreak investigation.
Page 4 and 5: CDC / EIS: Pharyngitis in Louisiana
Page 18: APPENDIX 3 - CDC FOODBORNE OUTBREAK

An Outbreak of Streptococcal Pharyngitis in Louisiana - Library

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