Previous Year Question

Pneumonia is an acute respiratory infection that primarily affects the lungs. According to the World Health Organization, pneumonia is an acute respiratory infection affecting the lungs and may be caused by infectious agents including viruses and bacteria.

In pneumonia, the tiny air sacs of the lungs, called alveoli, may become filled with fluid or pus. This can interfere with the exchange of oxygen and may cause symptoms such as cough, fever and difficulty in breathing.