Wilson and Jungner (1968) proposed classic criteria for a screening programme. Which of the following is NOT among their original 10 criteria?
- A The natural history of the condition should be adequately understood
- B The test must have sensitivity and specificity both greater than 95% ✓
- C There should be a suitable test or examination for the condition
- D Case-finding should be a continuing process and not a once-and-for-all project
Correct answer: B. The test must have sensitivity and specificity both greater than 95%
Explanation
Wilson and Jungner's 10 criteria do not specify a minimum threshold of 95% for sensitivity or specificity — this specific numerical cutoff is not one of their criteria. The criteria address: the importance and understood natural history of the condition, existence of a recognizable latent stage, an accepted treatment or intervention, a suitable and acceptable test, cost-effectiveness, and continuity of case-finding. Requiring arbitrary numerical thresholds is not part of the original framework, which is principles-based, not numerically prescriptive.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
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