Question:
Which of the following is/are used as operational indicators in antileprosy activity?
Which of the following is/are used as operational indicators in antileprosy activity?
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Leprosy control is judged using more than one type of rate together.
Updated On: Jul 7, 2026
- Incidence
- Prevalence rate
- Case detection rate
- All of the above
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question.
Note: the printed options for this question in the source paper were corrupted, showing stray numbers copied over from a neighbouring question. The options have been reconstructed here using the standard operational indicators taught for India's leprosy elimination programme, matched to the answer marked in the source key.
Step 2: Key Formula or Approach.
Monitoring an antileprosy programme needs more than one type of measurement, since disease burden, spread of new infection and how fast cases are found all matter separately.
Step 3: Detailed Explanation.
Prevalence rate tells how many active leprosy cases exist in the population at a given time, and is the classic indicator used to judge whether India has reached the elimination target. Case detection rate shows how quickly new cases are being picked up by the health system, which reflects the strength of surveillance. Incidence, the rate of new cases arising over a period, adds information about ongoing transmission that prevalence alone cannot show. Since all three describe a different, useful part of programme performance, none of them alone gives the complete picture.
Step 4: Final Answer.
All three, incidence, prevalence rate and case detection rate, are used together as operational indicators in antileprosy activity.
Note: the printed options for this question in the source paper were corrupted, showing stray numbers copied over from a neighbouring question. The options have been reconstructed here using the standard operational indicators taught for India's leprosy elimination programme, matched to the answer marked in the source key.
Step 2: Key Formula or Approach.
Monitoring an antileprosy programme needs more than one type of measurement, since disease burden, spread of new infection and how fast cases are found all matter separately.
Step 3: Detailed Explanation.
Prevalence rate tells how many active leprosy cases exist in the population at a given time, and is the classic indicator used to judge whether India has reached the elimination target. Case detection rate shows how quickly new cases are being picked up by the health system, which reflects the strength of surveillance. Incidence, the rate of new cases arising over a period, adds information about ongoing transmission that prevalence alone cannot show. Since all three describe a different, useful part of programme performance, none of them alone gives the complete picture.
Step 4: Final Answer.
All three, incidence, prevalence rate and case detection rate, are used together as operational indicators in antileprosy activity.
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