Introduction Pneumonia is a common lung infection affecting millions worldwide. While it can affect anyone, certain populations are at significantly higher risk for severe illness, complications, and mortality. These high-risk groups include individuals with weakened immune systems (immunocompromised), people with chronic respiratory diseases such as Chronic Obstructive Pulmonary Disease (COPD), and the elderly. Understanding the unique challenges and management needs of these groups is essential for improving outcomes and reducing hospitalizations and deaths. Why Are These Groups at Higher Risk? 1. Immunocompromised Individuals Immunocompromised patients have weakened defenses against infections due to conditions or treatments like: Their impaired immune response…