and if you've got to that even with antibiotics it just went on yeah. i vote it's been three weeks and i'm still coughing it's like i have a frog in my throat. the bacteria is spread in droplets from person to person through the air that lodges in the mucus membranes of the upper respiratory tract the bronchial tubes and lungs. the bacteria multiply and secrete a toxin that stays in the airways even after the bacteria have been killed the toxin attacks the silly in the bronchial tubes fire. these fine celio are damaged by the toxin and the damage cells later die that's what causes the intense car off and also what does damage to the mucus membranes. in germany whooping cough is becoming