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Question

What are vector-borne diseases? Explain the role of vector in disease transmission with an example.

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Solution

  • Vectors also known as carriers are generally some insects and animals that carries disease causing microbe.
  • The diseases which are caused by vectors are called vector-borne diseases. For example: Malaria
  • When a female Anopheles mosquito bites an infected person, pathogen enters into the vector's body along with the blood meal.
  • Now, when the same mosquito bites a healthy person, the pathogen gets released into the bloodstream of healthy person and hence the person gets infected with malaria.

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