Tham khảo: UNICEF, also United Nations Children's Fund, was formed in 1946. It works in over 190 countries to help improve health and education of children. Its main aim is to support the most disadvantaged children all over the world. In Viet Nam, UNICEF aims to protect children and make sure they are safe and healthy, and have access to education. UNICEF has brought many positive changes to Vietnamese children's lives.