Whooping cough, also known as pertussis, is a very contagious respiratory illness. Although it may start very similar to a common cold, the coughing it causes can last for weeks or months. A type of bacteria called Bordetella pertussis gets into the upper respiratory system by attaching to the cilia (tiny, hair-like extensions) and then releasing toxins. This causes the airways to swell.



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The best way to prevent whooping cough is to get vaccinated. The Centers for Disease Control and Prevention (CDC) recommends the vaccine for everyone.