bakter Bordetella pertussis’e tekitatav, kergesti nakkav peamiselt väikelaste haigus, millele on iseloomulikud tugeva sissehingamisega lõppevad läkastava köha hood, laste äge nakkushaigus, mida iseloomustavad kramplikud, sageli oksendusega lõppevad köhahood, an infectious respiratory disease especially of children caused by a bacterium (Bordetella pertussis) and marked by a convulsive spasmodic cough sometimes followed by a crowing intake of breath, an acute infectious inflammation of the larynx, trachea, and bronchi caused by Bordetella pertussis; characterized by recurrent bouts of spasmodic coughing that continues until the breath is exhausted, then ending in a noisy inspiratory stridor (the "whoop") caused by laryngeal spasm