whooping cough

Whooping cough is an infection caused by a germ called Bordetella pertussis. It can be spread to others through droplets in air, due to coughing. Direct contact with an infected person can cause spreading of the disease. The bacterium infects the cells which lines the airways, grows rapidly and cause the symptoms. https://www.youtube.com/watch?v=Z1vH08cSWqI Stages Stage […]