Ключевые слова: allergy, asthma, asthmatic, babies, baby, boy, breath, breathing, bronchitis, care, caucasian, child, children, close up, emergency, equipment, exercise, face, flu, head, health, healthcare, hospital, human, illness, infection, inhalation, inhaler, inhaling, lung, mask, medical, medicine, one, only, oxygen, patient, people, person, preschooler, protection, respiratory, science, small, smoke, therapy, vapor, years, young,