Whooping cough is a very contagious respiratory disease. It’s is caused by the bacterium Bordetella pertussis. It is characterized as a severe hacking cough that’s followed by a whooping, high-pitched sound that occurs when a person is trying to take a breath.
Whooping cough passes from person to person by close contact with bacteria-filled droplets sprayed into the air. Most deaths due to whooping cough occur among babies younger than 3 months old.
Here are three symptoms of whooping cough: