Which of the following diseases is not caused by a virus?

Which of the following diseases is not caused by a virus?

  • (a) Small Pox
  • (b) Polio
  • (c) Typhoid
  • (d) Influenza
Typhoid is a bacterial infection, not a virus. The infection is caused by Salmonella typhi. The infection occurs when food or water is contaminated.
  • - (a) Smallpox: a viral infection caused by the variola virus.
  • - (b) Polio: a highly contagious infection caused by the poliovirus.
  • - (d) Influenza: the flu, a viral infection of the respiratory system caused by the influenza virus (A, B, C, or D).
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Related MCQs:

 ‘NATO’ is an abbreviation of:

  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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