I am mom of 4 yr old baby boy. He joined junior KG now. after sending him to school, often(weekly once) he is catching cold/fever. But this is not the case before. Before joined school, he catch cold/any illness rarely. Any solution/advice?.

A. Boosting your child's immune system Give them a healthy diet. ...Make sure they get enough sleep. ...Get them active. ...Manage stress. ...Make sure they are up to date on important vaccines. ... Try to include the following iron-rich foods in your toddler's healthy, balanced diet to help strengthen their immune system: Meat – especially red meat.Liver – limit their intake to one portion per week to avoid getting too much vitamin A.Beans.Nuts.Dried fruit such as dried apricots.Wholegrains such as brown rice.