Community Medicine (PSM) · Communicable Diseases (Malaria, Tuberculosis, Dengue, Polio, Hepatitis, Cholera)

During a dengue outbreak, three larval survey indices are calculated for a locality. The index defined as the number of water containers found positive for Aedes larvae per 100 houses inspected is called:

  • A House index
  • B Container index
  • C Pupal index
  • D Breteau index
Correct answer: D. Breteau index

Explanation

The Breteau index is the number of positive containers per 100 houses examined. House index is the percentage of houses harbouring positive containers, and container index is the percentage of water-holding containers that are positive. The Breteau index combines both dimensions and is generally regarded as the most informative of the classical Stegomyia indices for comparing localities during outbreak response.

Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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