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What is Supplementary immunisation services for measles immunisation? and explain in detail?
WHO Measles Elimination strategy : Catch up, Keep up, Follow up. Catch up: Nationwide, vaccination targeting all children 9 months to 14 years of age, irrespective of history of Measles disease or vaccination status Keep up: Routine services aimed at vaccinating more than 95% of each successive bih coho. Follow up: Subsequent nationwide vaccination campaigns conducted every 2-4 years targeting usually all children born after the catch-up campaign Ref: Park 25th edition Pgno : 161-162