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Pertussis / Whooping Cough (Bordetella pertussis)
2010 Case Definition

CSTE Position Statement(s)

  • 09-ID-51

Case Classification

Probable

In the absence of a more likely diagnosis, a cough illness lasting ≥2 weeks, with at least one of the following symptoms:

  • Paroxysms of coughing; OR
  • Inspiratory "whoop"; OR
  • Post-tussive vomiting; AND
  • Absence of laboratory confirmation; AND
  • No epidemiologic linkage to a laboratory-confirmed case of pertussis.

Confirmed

  • Acute cough illness of any duration, with isolation of B. pertussis from a clinical specimen; OR
  • Cough illness lasting ≥2 weeks, with at least one of the following symptoms:
    • Paroxysms of coughing; OR
    • Inspiratory "whoop"; OR
    • Post-tussive vomiting; AND
    • Polymerase chain reaction (PCR) positive for pertussis;
OR
  • Illness lasting ≥2 weeks, with at least one of the following symptoms:
    • Paroxysms of coughing; OR
    • Inspiratory "whoop"; OR
    • Post-tussive vomiting; AND
    • Contact with a laboratory-confirmed case of pertussis.

Comments

The clinical case definition above is appropriate for endemic or sporadic cases. In outbreak settings, a case may be defined as a cough illness lasting at least 2 weeks (as reported by a health professional).



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