1. ◦ Patient signs of airway irritation, such as coughing

◦ signes d'irritation des voies aériennes chez le patient, comme la toux;

2. The coughing is often accompanied by a whooping sound, hence the common name whooping cough

La toux est souvent accompagnée d' un son " caverneux " appelé communément " chant du coq "