The document discusses infant mortality rate (IMR), defined as the number of deaths of infants under one year per 1000 live births. IMR is an important indicator of population health and development. The document notes that Malawi's IMR has historically been high due to factors like limited healthcare access, but it has declined in recent years. It provides IMR statistics for Malawi, Zambia, Mozambique, and South Africa. The document also outlines how to calculate IMR using a formula and example, and explains why reducing IMR is important for public health in Malawi, such as to curb infectious diseases and support economic development. Finally, it lists several roles for public health personnel to play in lowering IMR, such as implementing health education,