Ключевые слова: abstract, air, artificial, background, breath, breathe, cancer, care, chest, clean, closeup, concept, conceptual, copy space, coronavirus, danger, disease, eco, ecology, environment, environmental, epidemic, flower, green, health, healthy, human, leaf, life, lung, medical, medicine, natural, nature, organ, organic, oxygen, patient, petal, plant, pneumonia, pollution, protection, quarantine, radiology, respiratory, symbol, treatment, virus, white,