Ключевые слова: air, asthma, asthmatic, breath, breathing, bronchitis, care, concentrator, cough, cure, cylinder, disease, epidemic, equipment, face, flu, health, healthcare, hospital, hypoxia, ill, illness, inhalation, inhale, inhaler, inhaling, isolated, lung, mask, medical, medical equipment, medicare, medicine, oxygen, oxygen mask, patient, people, pneumonia, portrait, protection, quarantine, recovery, respiratory, therapy, treatment, virus, woman,