Whooping cough, also known as pertussis, is an extremely contagious disease caused by the bacterium Bordetella pertussis. Whooping cough is also called the 100 days’ cough in some countries. The ...

Whoopingcough might sound like a disease from another era. But the illness, also called pertussis, is alive and well in the U.S. Known as a childhood illness, whooping cough is actually most common in ...