Ключевые слова: allergens, allergic, allergies, allergy, asthma, background, care, caucasian, child, cold, concept, cool, cough, discomfort, disease, fever, flu, girl, grippe, health, ill, infection, influenza, kid, little, lung, medical, medicine, nature, nose, outdoor, park, patient, person, respiratory, season, seasonal, sick, sickness, sneeze, snow, symptom, text, time, tissue, treatment, unhealthy, unwell, virus, winter,