This document provides information on pertussis (whooping cough), including its causative agents, epidemiology, pathogenesis, clinical manifestations, diagnosis, treatment, prevention, and references. Pertussis is caused by Bordetella pertussis and related bacteria. It is highly contagious and while vaccination has reduced cases and deaths, it remains endemic. Presentation varies by age but commonly involves paroxysmal coughing fits. Treatment involves antibiotics in early stages and supportive care. Prevention centers on vaccination with DPT or DTaP.