<s>[INST] What are the symptoms of pneumonia? [/INST] Symptoms of pneumonia may vary but the most common are cough (with some pneumonias you may cough up greenish or yellow mucus, or even bloody mucus), fever, chills and shortness of breath. If you are concerned you might have pneumonia, call your doctor immediately. Source: American Lung Association. Link: https://www.lung.org/lung-health-diseases/lung-disease-lookup/pneumonia/five-top-questions-for-dr. Field: Lung Disease. Disease: Pneumonia </s>