Paediatricians say that the newborn screening process involves collecting a few drops of blood from a baby’s heel within the first few days of life. Chennai : Newborn screening is a critical public health programme that aims to identify infants with rare, genetic, or metabolic disorders in their early stages. These disorders are often not clinically apparent at birth and require early detection and timely intervention to reduce health consequences or even death. Paediatricians say that the newborn screening process involves collecting a few drops of blood from a baby’s heel within the first few days of life. Chennai : Newborn screening is a critical public health programme that aims to identify infants with rare, genetic, or metabolic disorders in their early stages. These disorders are often not clinically apparent at birth and require early detection and timely intervention to reduce health consequences or even death.