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Pertussis (Whooping Cough) Information for Providers

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For more general information, see our Pertussis (Whooping Cough) page.

Overview

Pertussis is common and very contagious. It is caused by Bordetella pertussis. The bacteria infect cilia in the upper respiratory tract. Early symptoms are like a mild cold. Patients often experience violent coughing fits (paroxysms). These can be followed by high-pitched gasps ("whoop" sound) as the patient tries to inhale. Coughing fits can lead to gagging, vomiting, loss of consciousness, incontinence and broken ribs.

Babies are at high risk for severe complications. Most pertussis deaths occur in babies under 2 months old. Babies with pertussis do not always cough. They may experience apnea, poor feeding and failure to thrive. Severe complications include pneumonia and convulsions.

Pertussis epidemics occur every few years. In 2012, Washington had almost 5,000 reported cases. Pierce County had 783 cases.

Vaccination is the best way to prevent pertussis. Immunity wanes over time, but is highly effective in infants and young children. Maternal immunization at 27 to 36 weeks gestation has been shown effective in preventing pertussis in the first weeks of life.

Vaccine schedule

  • Babies—3 doses DTaP—at 2, 4 and 6 months of age.
  • Children—2 doses DTaP—at 12 to 18 months and at 4 to 6 years of age.
  • Adolescents—1 dose Tdap—at 11 years of age.
  • Pregnant people—1 dose Tdap between 27 and 36 weeks gestation.
  • Non-pregnant adults—1 dose Tdap.

Report suspected or confirmed cases within 24 hours.

Call (253) 798-6534 or use the Notifiable Conditions Fax FormFor more information, see our page.

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