Social & Preventive Medicine Communicable diseases c498b671 Measles vaccination to all 9 months - 14 years children is a pa of which WHO strategy? A Mop up B Catch up C Keep up D Follow up High-Yield Explanation <p> Catch up. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:148-149. <\p>