Pneumonia is a form of acute respiratory infection that affects the lungs. The lungs are made up of small sacs called alveoli, which fill with air when a healthy person breathes. According to report published in Economic times of 16 November 2017 that " Globally, pneumonia claimed the lives of more than nine lakh under-5 children in 2015. Of these deaths, about 1.8 lakh occurred in India." When an individual has pneumonia, the alveoli are filled with pus and fluid, which makes breathing painful and limits oxygen intake. Pneumonia is caused by a number of infectious agents, including viruses, bacteria and fungi. The viruses and bacteria that are commonly found in a child's nose or throat, can infect the lungs if they are inhaled. They may also spread via air-borne droplets from a cough or sneeze. In addition, pneumonia may spread through blood, especially during and shortly after birth. The presenting features of viral and bacterial pneumonia are s...