Pertussis (Whooping Cough)

What Is It?

Pertussis, also known as whooping cough, is a highly contagious bacterial infection that causes violent coughing. The coughing makes it hard to breathe and produces a deep "whooping" sound.

Pertussis is caused by the Bordetella pertussis or Bordetella parapertussis bacteria. Droplets of the bacteria move through the air when an infected person sneezes, coughs or talks. This is how pertussis spreads from person to person.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »