http://www.english.hadhramaut.info Preventive vaccination campaign targets 72,723 children [The Source: SEIYOUN/hadhramaut.info - 12/11/2011] Preventive vaccination campaign against polio which will begin on Monday is targeting  72,723 children in Wadi and Sahraa districts. Office of the Ministry of Public Health and Population in Wadi Hadhramaut and Sahraa today completed all the arrangements to start  the national vaccination campaign  against polio.  The activity will be launched tomorrow Monday in all Governorates of the Republic.