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Whooping cough is caused by bordetella pertussis, a bacteria that can live in the human respiratory tract. Pertussis, or whooping cough, is spread through secretions from sneezes and coughs. Most pertussis infections are passed between family members and household contact.

Whooping cough is highly contagious. If one person has the pertussis bacteria, each unvaccinated household contact has up to 90% chance of catching the infection as well.

This answer should not be considered medical advice...down arrowThis answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.up arrow

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Archived: March 20, 2014

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Read the Original Article: Whooping Cough and the DTaP Vaccine