This session will explore the clinical implications of pertussis and various bacterial respiratory infections, emphasizing their pathophysiology, transmission, and prevention strategies. Students will learn about the clinical presentation of pertussis, including its distinctive cough and potential complications, as well as the role of vaccination in reducing incidence. The discussion will also cover the diagnosis and management of other common bacterial respiratory infections, such as pneumonia and bronchitis, highlighting the importance of early intervention and appropriate antibiotic therapy. Understanding these infections is crucial for effective patient care and public health management.