According to Dunya News the child was lying in the labour room of Holy Family Hospital after birth when a rat nibbled the child on his face and arm.
The gruesome incident took place during the night between Sunday and Monday.
The parents of the child belong to Sadiqabad area of Texla.
The child was shifted to nursery after the grisly incident and hospital administration has constituted a committee to probe the incident.
M S Holy Family Hospital Captain Doctor Fiaz said drive for elimination of rats from the hospital has been launched.