Under the National Polio Surveillance Project, what is the target rate of non-polio Acute Flaccid Paralysis (AFP) per 100,000 population under 15 years that indicates adequate AFP surveillance sensitivity?

• A At least 1 per 100,000 ✓
• B At least 0.5 per 100,000
• C At least 2 per 100,000
• D At least 5 per 100,000

Explanation

WHO recommends a non-polio AFP rate of at least 1 per 100,000 population under 15 years as the minimum indicator of adequate surveillance sensitivity. This threshold ensures that if wild poliovirus were circulating, AFP cases would be detected. B rate below 1 indicates surveillance gaps. India consistently maintained rates above 2 per 100,000 during the polio-free certification period.

Reference: Park's Textbook of Preventive and Social Medicine, 26th ed.

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