symptoms of bacterial pneumonia
1 Pneumonia may be caused by viruses, bacteria, or fungi; less frequently by other causes. 2  The most common bacterial type that causes pneumonia is Streptococcus pneumoniae. 3  Signs and symptoms of pneumonia include. 4  fever, 5  chills, 6  cough, 7  shortness of breath, and.  fatigue.
Symptoms of pneumonia caused by bacteria in otherwise healthy people younger than 65 usually come on suddenly. They often start during or after an upper respiratory infection, such as the flu or a cold. Cough, often producing mucus, also called sputum, from the lungs. Mucus may be rusty or green or tinged with blood.