Pneumonia Causes,Symptoms and Pneumococcal Vaccine
Pneumonia is an infection that affects one or both lungs. It causes the air sacs, or alveoli,
of the lungs to fill up with fluid or pus. Bacteria, viruses, or fungi may cause pneumonia.
Pneumonia Causes
Most of the time your body filters germs out of the air that you breathe. Sometimes germs, such as bacteria, viruses, or fungi, get into your lungs and cause infections.
When these germs get into your lungs, your immune system, which is your body's natural defense against germs, goes into action.
Immune cells attack the germs and may cause inflammation of your air sacs, or alveoli.
Inflammation can cause your air sacs to fill up with fluid and pus and cause the symptoms of pneumonia.
Signs and symptoms
The signs and symptoms of pneumonia may include:
Chest pain when you breathe or cough
Chills
Cough with or without mucus
Fever
Shortness of breath
Pneumococcal Vaccination
Pneumococcal disease is common in young children, but older adults are at greatest risk of serious illness and death.
Pneumococcal conjugate vaccine or PCV10
Pneumococcal conjugate vaccine or PCV13
Pneumococcal polysaccharide vaccine or PPSV23
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