What causes pertussis?

How does pertussis spread?

How long does it take to show signs of pertussis after being exposed?

What are the symptoms of pertussis?

How serious is pertussis?

What are possible complications from pertussis?

How do I know if my child has pertussis?

Is there a treatment for pertussis?

How long is a person with pertussis contagious?

How common is pertussis in the United States?

Can you get pertussis more than once?