Common cold differs from pneumonia in, that

Options

A. pneumonia is a communicable disease, whereas the common cold is a nutritional deficiency disease
B. pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine
C. pneumonia is caused by a virus, while the common cold is caused by the bacterium Haemophilus influenzae
D. pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs

Answer

D

Explanation

Pneumonia is caused by the bacteria Diplococcus pneumoniae which infects the alveoli of lungs. It generally spreads through the sputum of patient. Fever, cold and difficulty in breathing are some common symptoms of pneumonia. It can be treated by the antibiotics
Common cold is caused by a variety of viruses, most commonly by rhinovirus (RNA virus). It spreads through droplet infection. It affects the upper respiratory tract but not the lungs Nasal and bronchial irritation, sneezing and coughing are some common symptoms of cold.