Multiple choice

All of the following diseases are airborne, except

  1. common cold

  2. pneumonia

  3. tuberculosis

  4. malaria
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Common cold, pneumonia and tuberculosis are airborne diseases, i.e. they spread through air because their causative agents, i.e. virus and bacteria, are present in the air. On the contrary, malaria is not airborne because it is caused by Plasmodium, which spreads through the bite of female anopheles mosquitoes and is not present in the air. Thus, (4) is the correct answer.

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