Multiple choice

Which of the following diseases is/are viral?

  1. Chickenpox

  2. Flu (influenza)

  3. Ringworm

  4. Both (1) and (2)

  5. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A virus is a small infectious agent that replicates only inside the living cells of other organisms. Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs. Chickenpox is caused by the herpes zoster virus and mainly affects children.

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