Ключевые слова: allergic, allergy, attention, background, butter, concept, cough, dust, flagrance, flowers, flu, hand, healthcare, healthy, human, illness, infection, influenza, intolerance, mask, medical, medicine, milk, nature, no, painted, peanut, people, perfume, person, pollen, pollution, prevention, protection, protective, raised, sick, sickness, sign, sneeze, springtime, stop, symbol, text, virus, warning, word, yellow,