my kid is almost 5 and he is getting viral infections easily and he get cough cold fast as compared to other kid how to increase his immune system.although he eats well i have no issues in his eating

A. Madam sometimes these things are just associated with allergies in India there are numerous allergies with food or weather or anything that we cannot even think of recurring issues like this if your child is otherwise healthy and eating properly could be associated with allergies I suggest you to go for a detailed allergy test