Answer: Phototherapy
Explanation:
As the infant is only 2 weeks old, the most appropriate technique used is the Phototherapy. As the condition is not that severe it can be cured by phototherapy.
Photo therapy is usually given to the children suffering from jaundice when they are born. This is a special type of light that is not sunlight.
It is used in case of high bilirubin level.This light lowers the level of bilirubin levels in the baby's blood.
This process is basically photo oxidation in which the oxygen gets added to the bilirubin which helps easy dissolution of the bilirubin in the water.
This lowers down its level in the blood.