In this cluster, you can see various etiological agents that causes respiratory tract infection.
How Bordetella pertussis toxins damage the airway to cause whooping cough, why antibiotics help most in the early stage, the three clinical phases, and how pertussis is diagnosed.
How Legionella survives inside macrophages to cause Legionnaires' disease, why it spreads through water aerosols, why the urine antigen test is used, and why beta-lactams fail.
Corynebacterium diphtheriae: Pathogenesis, Lab Diagnosis
Why Mycoplasma pneumoniae has no cell wall and beta-lactams cannot work, how it causes walking pneumonia and cold-agglutinin hemolysis, and how it is diagnosed and treated.
