CDC and Council of State and Territorial Epidemiologists
(CSTE) pertussis case definition*
Clinical Case Definition
- a cough illness lasting at least 2 weeks with one of the following: paroxysms of coughing, inspiratory "whoop," or posttussive vomiting, and without other apparent cause (as reported by a health-care professional)
Laboratory Criteria for Diagnosis
- isolation of Bordetella pertussis from a clinical specimen, or
- positive polymerase chain reaction (PCR) assay for B. pertussis
- an acute cough illness of any duration associated with B. pertussis isolation, or
- a case that meets the clinical case definition and is confirmed by PCR, or
- a case that meets the clinical definition and is epidemiologically linked directly to a case confirmed by either culture or PCR
- a case that meets the clinical case definition, is not laboratory confirmed by culture or PCR, and is not epidemiologically linked directly to a laboratory-confirmed case.
SOURCES: Guidelines for the control of pertussis outbreaks. Atlanta, GA: CDC. Available at http://www.cdc.gov/nip/publications/pertussis/guide.htm. Council of State and Territorial Epidemiologists. CSTE position statement, 1997-ID-9: Public health surveillance control and prevention of pertussis, available at http://www.cste.org/ps/1997/1997-id-09.htm.
* Both probable and confirmed cases should be reported to the National Notifiable Diseases Surveillance System (http://www.cdc.gov/epo/dphsi/nndsshis.htm).
Appendix C: Summary of recommendations for tetanus toxoid, reduced diphtheria toxoid and acellular pertussis vaccine (Tdap) and tetanus and diphtheria toxoids (Td) use among adolescents aged 11--18 years
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