Why does toddler fell sick specially cold & cough every now and then? My 3.5 year old son has a history of covid as well as MIS-C.

A. because of lowe immunity, You can help prevent your child from colds by- -Clean your hands. -Avoid close contact to your child with people who have colds or other upper respiratory infections. - Cover your mouth and nose when coughing or sneezing in front of baby. - Avoid touching eyes, nose, and mouth with unwashed hands. give immunity booster food