how long does the cough last after having the whooping cough
Pertussis or Whooping Cough Fact Sheet How long is a person with whooping cough contagious? A person with whooping cough can pass it to others as soon as they get cold-like symptoms. They can also pass it up to 3 weeks after they start coughing. If the infected person takes an appropriate antibiotic, they will not spread the germ after 5 full days of treatment. What is the treatment? Antibiotics can prevent and treat whooping cough.