Ключевые слова: biohazard, biology, care, cell, chinese, concept, contagious, contamination, danger, dangerous, design, disease, fever, flu, health, hospital, illness, infection, infectious, influenza, isolated, lab, laboratory, mask, medical, medicine, microbiology, ncov, outbreak, pathogen, pneumonia, sars, science, sick, symbol, symptoms, testtubes, virology, virus,