1. It is caused by Streptococcus pneumoniae and Haemophilus influenzae.
2. The microbes infect the alveoli of lungs, where the alveoli become filled with a fluid resulting in severe difficulty in breathing/respiration.
3. Symptoms.- The symptoms include : (a) fever, (b) headache, (c) cough and (d) chills (e) In severe cases the lips and fingernails may turn greyish to bluish.
4.Modes of transmission is by (a) inhalation of droplets released by an infected person and (b) sharing the contaminated utensils.
