Multiple choice

Which of the following is not a contagious disease?

  1. Thalassemia

  2. Measles

  3. Influenza

  4. Typhoid
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A Correct answer
Explanation

Thalassemia is an inherited autosomal recessive blood disorder affecting hemoglobin synthesis. It is genetic, not infectious. Measles, influenza, and typhoid are all contagious diseases caused by pathogens (viruses or bacteria) that can spread between individuals.

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