Ключевые слова: above, abstract, anatomy, awareness, background, bacterium, biology, black, body, cancer, care, concept, coronavirus, covid19, cure, day, design, diagnosis, disease, emphysema, fibrosis, health, healthy, help, hole, hospital, illness, infection, isolated, lung, medical, medicine, oncology, oxygen, paper, pathogen, pneumonia, pollution, science, shape, sign, support, symbol, tb, treatment, tuberculosis, virus, white, world,