In a specimen-based viva, the examiner describes this case: a health campaign reduces mosquito and sand fly breeding sites in an endemic area. Choose the concept that fits it best.

Correct Answer: A

vector control reduces many parasitic diseases

Vector control can reduce diseases transmitted by arthropods, such as malaria by Anopheles mosquitoes and leishmaniasis by sand flies. It is an important public health strategy along with diagnosis and treatment. This MCQ belongs to the Medical importance topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.