What is Pneumonia, and Why is It Important to Know?
Pneumonia is a lung infection that causes inflammation in one or both lungs, often due to bacteria, viruses, or fungi. When the lungs are infected, the tiny air sacs (alveoli) fill with pus or mucus, leading to symptoms like difficulty breathing, fever, and chest pain. Pneumonia can range from mild to life-threatening, particularly in seniors, people with chronic illnesses, or those with weakened immune systems. It remains a leading cause of hospitalization and death, making awareness and prevention crucial for public health.
