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Common cold differs from pneumonia in, that
A
Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs
B
Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
C
Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
D
Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
Detailed Solution
Pneumonia is caused by bacteria such as Streptococcus pneumoniae and Haemophilus influenzae, which infect the alveoli of the lungs; the alveoli fill with fluid.
Common cold is caused by rhinoviruses, which infect the nose and respiratory passage but not the lungs.
Both are communicable diseases, so the other statements are wrong.
Common cold is caused by rhinoviruses, which infect the nose and respiratory passage but not the lungs.
Both are communicable diseases, so the other statements are wrong.