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Pertussis (Bordetella pertussis) (Whooping
Cough)
2010 Case Definition
CSTE Position Statement Number: 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;
- 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;
- 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;
- inspiratory "whoop"; or
- post-tussive vomiting;
AND, contact with a laboratory-confirmed case of pertussis.
Comment
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).
See also:
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