translate English to French: UNICEF assisted in the vaccination against polio of 4 million children before the conflict in Iraq and its provision of 25 million doses of vaccine and cold-chain equipment helped to re-establish the routine immunization system soon after.
L'UNICEF a prêté son concours à la vaccination contre la poliomyélite de 4 millions d'enfants avant l'amorce du conflit en Iraq.