Pneumococcal pneumonia, a type of lung infection, presents with various symptoms, including:
- Fever and chills, often the first signs.
 - A cough that might bring up mucus or even blood.
 - Shortness of breath because of lung inflammation.
 - Sharp chest pain that gets worse with deep breaths or coughing.
 - Extreme fatigue.
 - Excessive sweating, especially at night.
 - Headache and muscle aches.