CBSE ENGLISH LANGUAGE LITERATURE

Detailed explanation-1: -The most common cause of bacterial pneumonia in the U.S. is Streptococcus pneumoniae. This type of pneumonia can occur on its own or after you’ve had a cold or the flu. It may affect one part (lobe) of the lung, a condition called lobar pneumonia.

Detailed explanation-2: -The main way people spread Streptococcus pneumoniae to others is through direct contact with respiratory droplets. The bacteria often spread within households and in crowded conditions. Pneumococcal infections are more common during the winter and early spring.

Detailed explanation-3: -Pneumonia is a serious infection of the lungs caused by various bacteria, viruses and fungi. It can be mild and sometimes even prove fatal. It affects people with weakened immune systems, older people above 65 years of age, infants and young children. Pneumonia can be bacterial, viral or mycoplasmic.

Detailed explanation-4: -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.