In the classification of malaria endemicity, the Spleen Rate (SR) in children aged 2–10 years is the key indicator. A SR of 10–50% in this age group indicates:

• A Hypo-endemic malaria
• B Hyper-endemic malaria
• C Meso-endemic malaria ✓
• D Holo-endemic malaria

Explanation

Malaria endemicity is classified by spleen rate in children 2–10 years: Hypo-endemic < 10%, Meso-endemic 11–50%, Hyper-endemic 51–75% (adult SR also high), Holo-endemic > 75% (adult SR < 25% due to acquired immunity). A SR of 10–50% thus falls in the meso-endemic range, indicating moderate and fairly stable malaria transmission.

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

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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