In children, pooled estimates of sensitivity and specificity were generated for only 1 clinical feature: posttussive vomiting. A guideline based on a high-quality systematic review has been developed ...

Clinicians must have a high index of suspicion for pertussis. The CDC has a working definition of pertussis that focuses on the character of the cough: “A cough illness lasting at least two weeks with ...

Cough is the predominant feature, hence the common name "whooping cough." The classic pertussis infection has 3 stages (although it does not always present "classically"): Catarrhal stage (1-2 weeks): ...