Whooping Cough - Causes
Whooping cough is caused by bacteria entering a person's body. The bacteria are usually carried in droplets of water coughed into the air by an infected person. The incubation period for the disease is seven to fourteen days. The incubation period for a disease is the time between the start of the infection and the first appearance of symptoms. During this period, bacteria are multiplying in the respiratory tract.

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