IMNCI is an integrated approach to child health that focuses on well-being of children under 5. It aims to reduce death, illness, and disability and promote growth. IMNCI treats multiple conditions together as children often have more than one. It ensures treatment of major illnesses through immunization and nutrition. The three components of IMNCI are improving health worker skills, health systems, and family/community practices related to child health. The strategy assesses and classifies children using signs and symptoms to indicate severity and recommends treatment and referral.