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What is Sampling method used in assessing immunization status of children under immunization programme is and explain in detail?
Ans. is 'd' i.e., Cluster sampling o In the Expanded programme on Immunization (EPI) cluster technique, a simplified cluster sampling method is used. It is based on ranodm selection of 210 children who are 12-23 months of age. These patients are selected in 30 clusters of 7 children each to estimate immunization coverage levels.