The wait time after the vaccination will occur in the waiting room of the allergy clinic under the supervision of a nurse. We will ask the parents and the child to inform the doctor or the nurse if they observe any of the following manifestations: erythema, pruritis, rash, sneezing, rhinorrhea, tearing, nasal congestion, voice change, cough, difficulty breathing, noisy breathing, pallor, weakness, vomiting or diarrhea. We will ask them to also advise the members of the research team of any other reactions or concerning states.