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Ключевые слова:
awareness, background, beware, book, breath, business, care, checkup, china, closeup, colorful, concept, corona, coronavirus, coronovirus, cough, design, diagnose, disease, doctor, east, education, epidemic, fever, flu, global, handwritten, health, hospital, human, illness, infection, medical, notepad, notice, outbreak, pandemic, pneumonia, prevention, protection, respiratory, symptom, vaccine, viral, virus, warning,