Commonly known as whooping cough, is a highly contagious respiratory disease that spreads from person-to-person. Increasing incidence in pre-teen and teenage years.
Symptoms usually develop within 5-10 days and can last up to 10 weeks or more.
There are 3 stages of illness:
- Catarrhal: 1-2 weeks mild symptoms; recommended to administer a course of treatment within 3 weeks of exposure.
- Paroxysmal: 1-6 weeks; may increase in frequency and severity.
- Convalescent: 2-6 weeks or months; treatment used to prevent transmission."