Answer: Pneumonia
Explanation:
Pneumonia is an infection that causes the inflammation of the air sacs one either one of the lung or both lungs. The air sacs get filled with pus or fluid. This may be caused by infection of the organisms like virus, fungi, or bacteria. The accumulation of moisture and pus in the lungs restricts the breathing process in humans. The other symptoms includes coughing, chills, and fever. Nausea, vomiting and diarrhea can also be seen.
