Q. Which of the following diseases is/are transmitted primarily through a “Vector”?
1.Zika Virus
2.Tuberculosis
3.Japanese Encephalitis
4.Hepatitis B
Select the correct answer using the code below:

[A] 1 and 3 only

[B] 2 and 4 only

[C] 1, 2 and 3 only

[D] 1, 3 and 4 only

Answer: A
Notes:

Explanation:

  • Zika and Japanese Encephalitis are vector-borne (Mosquitoes).
  • Tuberculosis is airborne (droplets).
  • Hepatitis B is transmitted through infected blood or body fluids (not a vector).
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