The symptoms of<unk>  can occur suddenly, presenting as a severe chill, followed by a severe fever, cough, shortness of breath, rapid breathing, and chest pains. Other symptoms like nausea, vomiting, headache, fatigue, and muscle aches could also accompany initial symptoms. The coughing can occasionally produce rusty or blood-streaked sputum. In 25% of cases, a parapneumonic effusion may occur. Chest X-rays will typically show lobar consolidation or patchy infiltrates.
Pneumococcal pneumonia
Community-acquired pneumonia
Bacterial pneumonia
Fungal pneumonia
Hospital-acquired pneumonia
Atypical pneumonia
Viral pneumonia
Hantavirus pulmonary syndrome