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Which one of the following viruses used to be responsible for highly infectious disease Smallpox?

Options

  1. AAdenovirus
  2. BVariola virus
  3. CAichi virus
  4. DCoxsackie virus

Correct answer

B. Variola virus

Step-by-step solution

The variola virus caused smallpox. Smallpox was a serious infectious disease. It spread from one person to another. People who had smallpox had a fever and a distinctive, progressive skin rash. Before smallpox has been eradicated.

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