*Types of Pneumonia 🫁* 1. *Community-Acquired Pneumonia (CAP)* - Caught outside healthcare settings. - Common causes: *Streptococcus pneumoniae*, *Mycoplasma pneumoniae*, viruses. 2. *Hospital-Acquired Pneumonia (HAP)* - Develops ≥48 hours after hospital admission. - Often more severe and drug-resistant. - Common: *Pseudomonas*, *Staph aureus* (incl. MRSA). 3. *Ventilator-Associated Pneumonia (VAP)* - Occurs in people on mechanical ventilation. - High risk of multidrug-resistant infections. 4. *Aspiration Pneumonia* - Caused by inhaling food, stomach acid, or saliva. - Often affects older adults, stroke patients. 5. *Atypical Pneumonia* - Caused by less common bacteria (e.g. *Mycoplasma*, *Chlamydophila*, *Legionella*). - Milder symptoms; called "walking pneumonia". 6. *Fungal Pneumonia* - Caused by fungi like *Histoplasma*, *Cryptococcus*. - Affects immunocompromised individuals. 7. *Viral Pneumonia* - Caused by viruses like Influenza, RSV, COVID-19. - Can progress to bacterial pneumonia.