Common cold differs from pneumonia in that:
Pneumonia is a communicable disease, whereas common cold is a nutritional deficiency disease
Pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine
Common cold is caused by a virus, while Pneumonia is caused by a bacterium
Pneumonia pathogen infects alveoli whereas common cold affects the nose and the respiratory passage but not the lungs
pneumonia (caused by bacteria like Streptococcus pneumoniae) infects the alveoli (air-filled sacs) of the lungs resulting in fluid accumulation In contrast, the common cold (caused by Rhino viruses) infects the nose and respiratory passage but explicitly does not infect the lungs This anatomical distinction is the primary difference highlighted in the text.
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