hi my all family members are covid positive and my baby is 3yr and other one is 1.5yr old. we are sure kids also will be positive. as per Dr opinion there is no medicine for baby's covid positive, theye don't have fever , cough or cold but 1.5 yr baby have bit cough so we are giving him cough syrup. but not to 3yr baby . Should I give him as well something for precautions?? pls suggest...